Is a brain transplant possible?

Doctor Frankenstein | Neurosurgeon plans world's first head transplant | Sunday Night

Best Answer

Theoretically, a person with advanced organ failure could be given a new and functional body while keeping their own personality, memories, and consciousness through such a procedure.

No human brain transplant has ever been conducted.

World's First Head Transplant Recipient Wants A Better Life | Good Morning Britain

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Is it possible to not get brain freeze?

Causes. It's not just ice cream; any cold stimulus can cause the nerve pain that results in the sensation of a brain freeze. Brain freeze is caused by: Cooling of the capillaries of the sinuses by a cold stimulus, which results in vasoconstriction (a narrowing of the blood vessels).

Is it possible to die of brain freeze?

You see, a brain freeze is just the freezing of the nerves, tendons, blood vessels, etc. in the top of your mouth/throat from drinking cold things quickly. So theoretically, there are a few ways you could die from a brain freeze, but it would be humanely impossible.

How much is a kidney transplant for a dog?

Renal transplant is extremely costly, with centers requiring a $13,000 deposit ahead of surgery, with the operation costing upwards of $20,000. However, the cost of the operation is just the beginning, because immunosuppressive drugs are expensive, with around $11,000 per year for a large dog being representative.

What Would Happen if You Had a Brain Transplant?

Is a laser gun possible?

In theory, advances in battery technology eventually could make such weapons possible. But even if they do, the weapons may not fire the bright green or red beams sci-fi fans might expect. Most research into laser weapons that are intended to scorch targets makes use of non-visible wavelengths of light.

Is it possible to tickle a dog?

Some dogs will lift their legs when you hit a ticklish spot, while others will whine or push against your hands. Focus on areas behind the dog's ears, between his front legs and along his belly. These are common tickle spots in many dogs, and a quick scratch over these spots may result in a happy kick or doggy grin.

Is it possible to tame a wolf?

Certain species of animals are easily domesticated, while others tend to remain wild all their lives. Today, we'll take a look at wolves and whether it's possible to tame them. Canis is what gives us our common name for domesticated dogs: canines. So wolves are indeed part of the dog family.

Is it possible to outrun a dog?

For most humans up against a dog, this happens. Your dog will typically outrun you. Some dog breeds are slower than others and humans might be able to keep up, but aside from athletes, it's more likely that they can't keep up with their four-legged friend.

Is it possible to overfeed a puppy?

A puppy's digestive system is very delicate, and packing it with too much food is a recipe for irritation. Puppies who overeat will often vomit to relieve pressure on their distended stomachs. To avoid this unpleasant issue, feed your puppy the recommended amount on a consistent schedule.

Heart in a Box: UCLA patient's life-saving donor heart arrives 'warm and beating' inside box

Is it possible to spoil a dog?

Some people see a “spoiled dog” in any canine who is not shivering outside on a chain. Most WDJ readers, however, recognize that a dog can enjoy a comfortable and even luxurious lifestyle without being “spoiled.”

Can a kidney transplant last forever?

A kidney transplant does not last for ever. The average life-span of a transplanted kidney is twelve years for a deceased donor kidney, and about 15 years for a living related transplant. The average for a living unrelated transplant is somewhere between the two.

Is a magnitude 10 earthquake possible?

No fault long enough to generate a magnitude 10 earthquake is known to exist, and if it did, it would extend around most of the planet. The largest earthquake ever recorded was a magnitude 9.5 on May 22, 1960 in Chile on a fault that is almost 1,000 miles long… a “megaquake” in its own right.

Is it possible to clone a dog?

The genetic identity of cloned dogs is identical to the original dogs. Dog cloning does not involve any changes to the genes of your dog. We will then freeze these cells until you're ready to clone your dog.

Is it possible to impregnate a dog?

Human and dogs are completely different species. They cannot interbreed. There is no other species on earth that humans can reproduce with. Further, animals cannot give consent, so sexual relations with them are absolutely wrong.

Why Can't We Transplant Brains?

Is it possible to pet a tiger?

Tigers are large, strong, and dangerous cats. They have the ability to take down a 500-pound antelope, are strong swimmers, and are very territorial. Many tigers are trained to be around people and will go years without incident but you can't predict the behavior of a tiger. They are still wild animals at heart.

How long does a kidney transplant take?

The operation usually takes three hours. Most patients undergoing laparoscopic surgery for kidney donation require a hospital stay of only two to three days. After discharge from the hospital, the donor is seen for follow-up care in the transplant clinic.

What qualifies you for a kidney transplant?

In order to be eligible to receive a kidney transplant: You must have chronic irreversible kidney disease that has not responded to other medical or surgical treatments. You are either on dialysis or may require dialysis in the near future. You must qualify for and be able to tolerate major surgery.

Is cow tipping possible?

The urban legend of cow tipping relies upon the presumption that cattle are slow-moving, dim-witted, and weak-legged, thus easily pushed over without much force. Some versions suggest that because cows sleep standing up, it is possible to approach them and push them over without the animals reacting.

How much does a kidney transplant cost for a dog?

Renal transplant is extremely costly, with centers requiring a $13,000 deposit ahead of surgery, with the operation costing upwards of $20,000. However, the cost of the operation is just the beginning, because immunosuppressive drugs are expensive, with around $11,000 per year for a large dog being representative.

At what age is a dog brain fully developed?

Maturity (1 - 4 years) : Many breeds' especially giant breeds continue to grow and physically change well beyond four years of age. The average dog develops to full maturity between 1-1 1/2 years and three years of age.

Can a blind person see again with eye transplant?

There is no such thing as a whole-eye transplant. The optic nerve, which goes directly to the brain, cannot be transplanted; and this nerve is damaged for many people who are blind. The eye transplant would not work without also transplanting the optic nerve. In some cases the eye is not even the problem.

Can you do a kidney transplant on a dog?

These are performed mostly in cats, due to difficulty suppressing the immune systems of dogs. Dogs are more likely to reject a donor kidney unless it comes from a related dog, which can sometimes be hard to find. For cats, there is no need for the donor and recipient to be related.

Is it possible to have a nice lawn with dogs?

Small amounts of Nitrogen are good, but too much will kill the lawn. According to the American Pet Products Association, 62% of US households have a dog. It may take a little time to train the dog to use that area, but it is totally possible.

Is it possible to see period twice in a month?

It's often normal during the teen years to have irregular periods. When a girl's period is irregular, it might come more than once a month or only come every few months. Some girls find they get their period more than once some months, then they might not have another for several months.

Is it possible to travel with a dog?

Most airlines will allow you to take a cat or small dog in the cabin for an additional fee. But you must call the airline well in advance; there are limits to the number of animals allowed in the cabin. If you are transporting your dog, make sure they meet the size requirements.

Is it possible for a twin to have twins?

Heredity: If you're a twin, or if there are twins in your family, you're slightly more likely to have a set yourself. Age: The older you are, the higher your chances of having fraternal twins or higher order multiples. Women age 35 or older produce more follicle-stimulating hormone (FSH) than younger women.

Is it possible to have 45 chromosomes?

Turner syndrome is due to a chromosomal abnormality in which all or part of one of the X chromosomes is missing or altered. While most people have 46 chromosomes, people with TS usually have 45. The chromosomal abnormality may be present in just some cells in which case it is known as TS with mosaicism.

Is it possible to eliminate friction entirely?

Friction cannot be completely removed from a surface. No matter how much we polish a surface , friction always acts on it. As we smoothen a surface, friction may also increase. I have already written an answer to this question.

Is it possible to cure sleep apnea?

CPAP and oral appliances work well, but they're not cures for sleep apnea. The only sure way to rid yourself of the condition for good is to either lose weight or have surgery to remove excess tissue from the palate or throat. Surgery can have side effects, which is why it's usually viewed as a last resort.

Is it possible to improve eyesight?

Many eye exercises are touted as ways to naturally improve eyesight and overcome nearsightedness. We can't correct our vision without professional help, and there's no quick-and-easy fix for eyesight problems. But with tools such as good nutrition and diet, you can still help your eyesight naturally and on your own.

Can I keep my pets after a kidney transplant?

After a Kidney Transplant. After a kidney transplant at Dartmouth-Hitchcock (D-H) Transplantation Surgery, you should be able to return to work and eat a regular diet. You can typically resume normal activities, though you need to take some extra precautions.

Is it possible for a puppy to have rabies?

Bat-associated virus variants are the most common cause of rabies exposure in humans in North America, but they rarely cause rabies in dogs, so they were considered an unlikely cause of rabies in this puppy (8). Rabies virus infection in dogs can be variable in its presentation.

Is it possible to adopt a child for free?

But most adoptions from foster care are free. Families who adopt from foster care usually adopt from a county, state, territory, or tribal public child welfare agency. Adopting a child from foster care is often funded by the state, and in most cases there are few or no fees.

Is it possible to overfeed a newborn puppy?

Don't overfeed a puppy or kitten. It will likely give them diarrhea. This is a guideline only and it is better to feed lesser amounts more often than large amounts at one time. If the puppies are not gaining weight, they need more food.

Is it possible to fight off a cold?

Whether you're recovering from a cold or trying to avoid getting one, studies have shown that sleep deprivation weakens immune health, making you more susceptible to colds and other bacterial infections. It's during this time that our bodies are most able to fight off infections and fevers.

Is it possible to have a pet crow?

Crows and ravens are migratory birds and are protected under the Migratory Bird Act, 1918. Any individual found to keep one as a pet, or harming a crow or their nest will be severely penalized and punished. You need to possess federal permits to own one and it is very hard to obtain a license.

Is it possible to abort a dog pregnancy?

Pregnancy Termination in Dogs and Cats. Accidents happen, and a large number of pets become pregnant despite their owner's wishes. In most cases, the best solution to this problem is to have the bitch or queen spayed, which will not only solve the current problem, but prevent it from happening in the future.

Is it possible to over exercise a puppy?

A good rule of thumb is a ratio of five minutes exercise per month of age (up to twice a day) until the puppy is fully grown, i.e. 15 minutes (up to twice a day) when three months old, 20 minutes when four months old etc. You should never exercise your puppy on a full stomach as this can contribute to bloat.

Is it possible to over walk a puppy?

Older puppies will require more exercise. A six-month-old dog might be capable of taking longer walks or even short jogs (if your vet helps you determine he's in good overall health and up for it), for example, but long hikes over rough terrain or strenuous agility classes are still potentially dangerous.

Is it possible to cremate a pet at home?

Cats and dogs are the most typically cremated pets, but pocket pets, among others, are now also getting this final farewell. Cremations of gerbils and hamsters can be particularly touching, says Fahrenkrug, since parents often bring children who are having their first experience with death.

Is it possible to have a pet lion?

Tigers and lions are surprisingly easy and inexpensive to purchase as pets. While import and interstate trade are prohibited, they are available in many states from captive breeders. This means it is possible to own a large and powerful carnivore whether or not you are equipped to properly care for them.

Is it possible to knock a dog out?

Yes you can though it would be better that if you must punch to jab the nose and if you must make a haymaker motion to instead grab the dog by the head and slam it as hard into the ground as you can.

Is it possible to over exercise a dog?

Dogs need exercise to maintain peak physical and mental well-being, but the type they should get depends on their condition, health history, breed, and age. “Some dogs are built for heavy exercise while others are not,” Jeffrey says. “Hunting and working dogs have more endurance than the brachycephalic breeds.

Is it possible to get rabies from a vaccinated dog?

The virus is usually transmitted through a bite, but it can also be transmitted through contact with an open wound. Even if your dog has been vaccinated, the first thing to do if you suspect rabies contamination is quarantine your dog. If your dog has been vaccinated, hopefully, symptoms will not develop.

Is it possible to get a free dog?

Yes, you can technically get free puppies. Technically, of course, if you are not insistent on a particular breed or mix, you can find free dogs of all ages and sizes.

Is it possible to fall in love with a dog?

Yes, a resounding yes, dogs can and do fall in love with one another in the deepest, dearest way that only dogs know how to do. Fidose of Reality fans were recently asked this question and to show us a photo of your dogs who love each other, and more importantly, why you believe this to be true.

Is it possible for a dog to die of sadness?

But the two most common triggers of severe dog depression are the loss of a companion animal or the loss of an owner. “Dogs pick up on our emotions, so if the owner has died, the dog could be responding to the grief of others,” Beaver said.

Is it possible to not have a belly button?

Some have no belly button as a result of the surgery needed to correct abdominal problems at birth, often either an umbilical hernia, or a condition known as gastroschisis - born with the stomach and intestines poking through a hole in the abdominal wall.

How long can you live with a lung transplant?

For these reasons, long-term survival after a lung transplant is not as promising as it is after other organ transplants, like kidney or liver. Still, more than 80% of people survive at least one year after lung transplant. After three years, between 55% and 70% of those receiving lung transplants are alive.

Is it possible to never fart?

However, this isn't actually possible. It might seem to vanish because you stop being conscious of it, and it leaks out gradually, but the physics of flatulence are pretty straightforward. A fart is a bubble of gas, and there's ultimately nowhere for it to go besides out of your anus.

Is it possible to control dreams?

New research has found that a specific combination of techniques will increase people's chances of having lucid dreams, in which the dreamer is aware they're dreaming while it's still happening and can control the experience.

Is it possible to increase IQ?

Yes, your IQ can change over time. But [IQ] tests give you the same answer to a very substantial extent, even over a period of year. The older you are, the more stable your test score will be. The most volatility in IQ scores is in childhood, mostly in adolescence.

Is it possible to menstruate during pregnancy?

Menstruation only occurs when a person is not pregnant. Although it is possible for women to experience some bleeding during pregnancy, this will not be due to their menstrual cycle. Some women also do not have any periods while breast-feeding. However, they may still begin to ovulate again soon after giving birth.

Is it possible to pee water?

An excessive volume of urination for an adult is more than 2.5 liters of urine per day. However, this can vary depending on how much water you drink and what your total body water is. This problem is different from needing to urinate often. Polyuria is a fairly common symptom.

Is it possible for animals to talk?

Many of the mechanisms involved, such as the ability to control the noises you make, are basic and many animals have them. The truth seems to be that some animals can mimic the sounds of human speech, but only a tiny minority can talk meaningfully as humans do.

Is it possible to tickle yourself?

Our studies at University College London have shown that the cerebellum can predict sensations when your own movement causes them but not when someone else does. When you try to tickle yourself, the cerebellum predicts the sensation and this prediction is used to cancel the response of other brain areas to the tickle.

Is it possible to regrow cartilage?

Worse, once we're adults, our articular cartilage cannot regrow or heal because it doesn't have any blood vessels, which means oxygenated red blood cells can't reach the damaged tissue. However, experts have discovered some ways to regenerate or repair damaged cartilage.

How Downcasting is possible in Java?

Downcasting is assigning parent class reference object to the sub class which is not allowed in Java. However, if you do downcasting, there will not be any compiler error. But, there will be runtime exception java.lang.ClassCastException. Look at this example to understand when downcasting works without any exception.

Is it possible to lengthen your neck?

Side Neck Stretches. Turning your head lengthens the muscles on the sides of the neck. However, moving your shoulder interferes with the exercise. The shoulders remain retracted during this exercise, which is how they should be all the time.

Is there a male and female brain?

Male and female brain anatomy. Males and females differ in some aspects of their brains, notably the overall difference in size with men having larger brains on average (between 8% and 13% larger), but there are areas of the brain which appear not to be sexually differentiated.

How big is a human brain?

Humans. Studies on human brain size, largely based on participants of European ancestry, tend to find an average adult brain volume of 1260 cubic centimeters (cm3) for men and 1130 cm3 for women.

What is brain fog a symptom of?

Depression may lead to brain fog symptoms, such as loss of concentration and fatigue. Problems with memory, focus, and decision-making can contribute to the feeling of brain fog. A person with depression may also have problems sleeping and lack energy, which can make concentrating and completing tasks hard.

Is a brain tumor in dogs painful?

Animals Affected & Disease Onset. Brain tumors are a common cause of neurological dysfunction in older dogs and cats. Overall, seizures are a more common sign of a brain tumor in dogs, while behavior change is more common in cats. Typically these symptoms have a sudden onset and grow worse over time.

How big is a dogs brain?

It's the size of a walnut, depending on the dog. That is, your dog's brain is roughly the size of the inside of his skull. Without breed identification in the question as it stands right now, your dog's brain can range from walnut-size up to grapefruit-ish, maybe even ugli fruit.

Is there a brain scan for Alzheimer's?

A brain scan—using either computed tomography (CT) or magnetic resonance imaging (MRI)—is generally included in the standard evaluation for Alzheimer's disease and other forms of dementia. Thus, they can't identify the disease with certainty. Fortunately, the diagnostic capability of brain scans is improving.

Is tinnitus a sign of brain tumor?

Head or neck trauma can affect the inner ear, hearing nerves or brain function linked to hearing. Such injuries generally cause tinnitus in only one ear. Acoustic neuroma. This noncancerous (benign) tumor develops on the cranial nerve that runs from your brain to your inner ear and controls balance and hearing.

What is a brain worm in humans?

Cysticercosis is a tissue infection caused by the young form of the pork tapeworm. People may have few or no symptoms for years. A specific form called neurocysticercosis, which affects the brain, can cause neurological symptoms. In developing countries this is one of the most common causes of seizures.

How big is a cat's brain?

Brain size. The brain of the domesticated cat is about five centimetres (2.0 in) long, and weighs 25–30 g (0.88–1.06 oz).

How big is a cat brain?

Brain size. The brain of the domesticated cat is about five centimetres (2.0 in) long, and weighs 25–30 g (0.88–1.06 oz).

What is brain fatigue?

Mental fatigue is a condition triggered by prolonged cognitive activity. Basically, it sends your brain into overdrive, leaving you exhausted, hampering your productivity and overall cognitive function. And prolonged stress can manifest into brain fatigue.

Is brain dead dead?

The distinctions are medically significant because, for example, in someone with a dead cerebrum but a living brainstem, the heartbeat and ventilation can continue unaided, whereas in whole-brain death (which includes brainstem death), only life support equipment would keep those functions going.

Is it possible to see deleted WhatsApp messages?

The messages can be retrieved even after being deleted by the sender. A Spanish tech blog has discovered a way to recover or see messages deleted by the other person in a WhatsApp chat. After installing, open the app and look for WhatsApp icon and you will be able to see those messages.

Is it possible to get sick from your dog?

Even if a pet is not sick, it may still harbor organisms that can infect humans. The bacteria that cause cat scratch disease, for example, can be passed from an infected cat with no signs of illness through a bite or scratch. And toxoplasmosis, a parasitic disease, can be transmitted from cats through feces.

Is it possible for a human to hear a dog whistle?

The frequency of dog whistles is between 23 and 54 kHz [1]. This is a pretty wide range; I doubt that there is any non-trivial number of humans able to hear 54kHz, but 23kHz is within hearing range of most children. With age, as eardrums become larger and less flexible, sensitivity to higher frequencies drops off.

Is a brain tumor painful for a dog?

Breeds with “smooshed” faces such as Boxers, Boston terriers, and pit bull terriers are overrepresented with brain tumors. While rare, the diagnosis of a brain tumor in a dog can be devastating to a pet guardian, as the onset of clinical signs is typically very rapid. Clinical signs of a brain tumor include: Aggression.

Is it possible to install Linux on Windows?

Windows 10 isn't the only (kind of) free operating system you can install on your computer. Linux can run from just a USB drive without modifying your existing system, but you'll want to install it on your PC if you plan on using it regularly.

Is it possible to have lice eggs but no lice?

If no live nymphs or adult lice are seen, and the only nits found are more than ¼-inch from the scalp, the infestation is probably old and no longer active and does not need to be treated.

Is it possible for dogs to get lice?

Therefore, if your child comes home from school with a diagnosis of head lice, your dog, cat or other pets in the household are not at risk of catching the lice or hatching eggs. Conversely, while lice are not common in dogs and cats, the species of lice that live on dogs and cats are not able to live on humans.

Is it possible to go into labor without contractions?

Is it possible to go into labor without having any contractions? These labor pains not likely to be confused with a slight backache or indigestion from a late lunch. You'll definitely know when you're in labor unless you have an unusually high pain threshold — it's really uncomfortable!

What types of relationships are possible in a relational database?

There are three types of relationships: One-to-one: Both tables can have only one record on either side of the relationship. One-to-many: The primary key table contains only one record that relates to none, one, or many records in the related table.

Is it possible to miss a period for a month and not be pregnant?

There are lots of reasons you can miss your period. Don't freak out, there are more reasons than just being pregnant for a missed period. That can cause a late or missed period. As well as extreme exercise, weight loss or weight gain, eating disorders, or it could be your body still working out your cycle.

Which is not a possible reason that a dog would bite?

If the dog finds itself in a stressful situation, it may bite to defend itself or its territory. Dogs can bite because they are scared or have been startled. They can bite because they feel threatened. They can bite to protect something that is valuable to them, like their puppies, their food or a toy.

Is garlic good for brain?

A nutrient in garlic may offer the brain cells protection against aging and disease, according to new research. “Most people think of it as a 'superfood,' because garlic's sulfur-containing compounds are known as an excellent source of antioxidant and anti-inflammatory protection.

What is pig brain called?

Eggs 'n' brains is a breakfast meal consisting of pork brains (or those of another mammal) and scrambled eggs. It is a dish of the Portuguese cuisine known as Omolete de Mioleira (English: Brain Omelette).

Is eating monkey brain dangerous?

Health risks. Consuming the brain and other nervous system tissues of some animals is considered hazardous to human health, possibly resulting in transmissible encephalopathies such as Creutzfeldt–Jakob disease.

Is my dog brain damaged?

Brain Injury in Dogs. Dogs can incur brain injuries from a variety of causes, including severe hyperthermia or hypothermia and prolonged seizures. Primary brain injuries, for example, involve direct trauma to the brain, which once acquired, cannot be altered.

Is it possible to get tetanus even if vaccinated?

Yes! Tetanus disease does not result in immunity because so little of the potent toxin is required to cause the disease. People recovering from tetanus should begin or complete the vaccination series.

Is it possible to rain cats and dogs?

There have, however, been verified reports of animals falling to Earth during severe storms. So, while it doesn't really rain cats and dogs, it may actually rain fish and frogs.

Is it possible to get rid of bed bugs?

Depending on the stage of the infestation, it may be possible to get rid of bed bugs using natural means. If the infestation has taken hold, however, these methods may not work. Insecticides are available from stores, but these are not usually strong enough to be effective.

Is it possible to have quadruplets on Sims 4?

This mod enables the possibility of having quadruplets, quintuplets or even sextuplets in The Sims 4. By default, the maximum number of babies you can have is triplets, do you dare to raise 4, 5 or 6 babies at the same time? Quadruplets 87 - 10 - 2 - 1: enables the possibility of giving birth quadruplets.

Is it possible for a girl to get pregnant by a girl?

Anytime a girl has vaginal sex with a guy, she is at risk for becoming pregnant. Even if a guy ejaculates outside of but near a girl's vagina or pulls out before he comes, a girl can get pregnant. It's also possible to get a sexually transmitted disease (STD) anytime you have sex, including the first time.

Is it possible for a dog to get a cat pregnant?

Cats cannot get pregnant by dogs! In the simplest of terms, the reason is because they are different species. While it is possible that a feline could look and even act very dog-like, DNA will show that it's still just a kitty cat. The same is true for dogs.

Is Einstein's brain still preserved?

Einstein's brain was preserved after his death in 1955, but this fact was not revealed until 1978.

Is it possible to train a dog to use a litter box?

Keep in mind that dogs do not have the instinctive behaviors of cats for using a litter box and burying their waste. While many dog owners succeed with litter box training, you need to be aware of the risk: some litter box-trained dogs may continue to have accidents off and on for life.

Is it possible to get all perks in Fallout 4?

You'll have to choose whether you want to specialize your character and go for those high-level perks, or make them more of a jack-of-all-trades… although Fallout 4 has no level cap, so theoretically you could unlock all of them if you play long enough.

Is it possible to enable or disable database trigger?

When this trigger is created, Oracle Database enables it automatically. You can subsequently disable the trigger with the following statement: ALTER TRIGGER update_job_history DISABLE; When the trigger is disabled, the database does not fire the trigger when an UPDATE statement changes an employee's job.

What is the brain's job?

It joins the rest of the brain with the spinal cord. It has lots of different parts that control different jobs in the body: for instance, the brain stem controls breathing, heartbeat, sneezing, eye blinking, and swallowing. Body temperature and hunger are also controlled by parts of the brain stem.

Why is 194 dB the loudest sound possible?

That converts to over 172 decibels of sound pressure, an unimaginably loud noise. At some point, the fluctuations in air pressure are so large that the low pressure regions hit zero pressure—a vacuum—and you can't get any lower than that. This limit happens to be about 194 decibels for a sound in Earth's atmosphere.

Is it possible to never get chicken pox?

One thing many people don't know is that you can also get chickenpox from contact with people who have shingles. They may spread the varicella-zoster virus through direct contact, but not through droplets in the air. People who have had chickenpox can still get shingles years or even decades later.

Is it possible for dogs to be allergic to cats?

Our pets can suffer from many of the same allergens that make humans miserable, including pollen, veterinarians say. (See "Coughing Cats May Be Allergic to People, Vets Say.") "It's rare, but dogs can be allergic to cat dander and people dander and vice versa.

Is it possible to grind your teeth down?

Grinding and Clenching. Your teeth are meant to bite down and chew. Still, too much of it can cause damage. “In the long term, the friction can wear away at enamel and fracture fillings,” says Kimberly Harms, DDS, a spokeswoman for the American Dental Association.