Diseases and Conditions

Know how to prevent, treat and control the symptoms of various diseases and medical conditions. We explain what's happening in your body when disease strikes, and what you can do to feel better faster.

Your body never freaked out before when you were stung by a bee. And yet one day, you have an anaphylactic reaction to a bee sting. What's the deal?

The long-standing cultural belief that milk products generate phlegm is a myth, according to a 2018 literature review.

Influenza can jump from pigs to dogs and is becoming more diverse in canines, increasing the possibility that it could eventually evolve to endanger humans.

People who consume massive quantities of animal protein report experiencing the meat sweats, a sensation of feeling flushed and fatigued, accompanied by profuse perspiration.

Since 2004, cases of diseases spread by ticks and mosquitoes have tripled in the U.S.

A large study from Taiwan showed that people who had asthma and/or hay fever had a higher risk of developing a mental illness than those who didn't.

For those on the list waiting for a kidney donation, it could be years before their name comes up. One doctor is hoping to shorten this wait by retransplanting already donated kidneys.

Many people with Type 1 diabetes are deliberately skipping or manipulating their insulin doses in order to lose weight. But this can have very serious consequences.

With so many germs flying about this time of year it can be tricky to figure out what ails you. Take this quiz to test your cold versus flu IQ!

So far there have been no reports of people contracting zombie deer disease, but could it make the jump from animal to human?

Good news, for a change: The cancer death rate in America has declined 26 percent since 1991. Here's why.

It's kind of like the suicide booth on 'Futurama,' and its inventor says the Sarco should be available in 2018.

Would you communicate your end-of-life wishes by tattoo? And would they be respected?

The first drugs specifically targeted to prevent migraines could be available as soon as 2018.

A groundbreaking study upends conventional wisdom on heart stents for treating stable angina.

Nearly half of all U.S. adults who have food allergies developed at least one of them during adulthood.

Although we're told to start getting screened for colorectal cancer at 50, new research suggests we should start earlier.

Skipping breakfast might seem innocuous, but a new study finds it associated with atherosclerosis and a wider waistline.

And the good news is that researchers have identified the protein that may be causing the problem.

A U.K. study that lasted years and involved thousands of people suggests a link between slow walking and cardiovascular mortality.

British scientists call for more awareness that diabetes can go into remission through weight loss.

A new smartphone app may help detect pancreatic cancer and other diseases tied to jaundice.

A national survey finds that one-third of Americans used prescription opioid painkillers in 2015, and millions were taking them without prescriptions. What's the reason for this huge number?

We often lack the resources to treat and educate everyone when combating disease. Moving the 'hubs' of a social network to the front of the line may be most effective.

And that unique ability may propel us closer to an HIV vaccine for humans.