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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.

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Can You Be Allergic to Your City?

If you're moving from one city to another, pack some extra tissues because it's true: Seasonal allergies can flare up when you relocate and are exposed to new allergens.

Doctors Baffled by Rise in U.S. Teen Cancer Rate

Researchers and doctors know some cancers in teens have skyrocketed since 1975. They just don't know why.

Removing Brands From Cigarette Packs Encourages Smokers to Quit

The branding on cigarette boxes steers smokers who pick up the packs. But without it, smokers aren't as keen on taking a drag.

Being a Tattoo Artist Is a Pain in the Neck — Literally

A first-of-its-kind study looks at the physical stresses of being a tattoo artist.

New CDC Quarantine Rules Raise Civil Liberty Concerns

Updated quarantine regulations which would give federal health officials more leeway to detain sick people have some legal and civil rights experts concerned.

Free Knitted Knockers Are a Boon for Breast Cancer Survivors

This is what happens when fearless knitters take on breast cancer one stitch at a time.

Say It; Don't Spray It. Speaking Spreads the Flu, Too.

This flu season, beware of coughers, sneezers ... and loud talkers?

Why a Massive Zika Outbreak in the United States Is Unlikely

Sure, the carrier mosquitoes are in the U.S., and so is the disease. But other factors will stave off a widespread incident, experts say.

New Study: Zika Can Survive for 8 Hours Outside a Host Body

Zika virus acts weird for a mosquito-borne illness. The newest twist is that it can survive for a surprisingly long time on a hard, nonporous surface.

The Curious Ability to Detect Disease by Smell

Sometimes the nose knows. What advances are being made in detecting diseases by scent?

Cat Scratch Fever’s Not Just an Infectious Song

Cat scratch fever’s having another day in the spotlight and this time it has nothing to do with rocker Ted Nugent. So, should you be scared of your kitty?

Giving Babies Eggs and Peanuts Can Lessen Allergy Risk, Study Finds

Contradicting earlier advice, the study found that introducing these foods earlier is better.

When's the Best Time for a Flu Shot?

Is September too early and December too late? Or does the timing matter less than you might think for a flu shot?

10 Tips for How to Relieve Sinus Pressure

Relieving sinus pressure isn't rocket science, but when your head's clogged up, it can feel just as important.

Keeping Zika Out of the U.S. Blood Supply

The FDA is recommending that all blood donations start being tested for Zika virus in the next 12 weeks. But what about the blood already on hand? What happens to that?

4 Occupations Prone to Sinus Trouble

For most people, sinuses are only really a problem in the spring and fall, when allergies, colds and flu take over. But for an unlucky few, sinus pressure and pain come with the job.

Why do sinus problems get worse during air travel?

Throw some germy surfaces into a mix of dry air and a pressurized cabin, and you have a recipe for sinus misery.

Understanding Sinus Congestion

When your sinuses are clogged and you can't breathe, it might help to know how those cavities work. Over-the-counter decongestants help, too.

First New Asthma Pill in 20 Years Could Replace Inhalers

One in 12 U.S. adults has asthma, says the CDC. That's a lot of people who might be very interested in a new treatment for this serious health problem.

10 Diseases Named After People

Naming a disease after a person makes it more memorable than giving it a bland technical moniker. It's also a good way to pay tribute to its discoverer. Who were the people that gave their names to Parkinson's, Alzheimer's and other diseases?

Nothing to Sneeze at: Allergies May Affect the Brain

There may be more going on with your body than just itchy eyes and a runny nose when you're dealing with seasonal allergies, a small new study finds.

Research Confirms Wheat Sensitivity That's Neither Celiac nor Allergic

People with non-celiac wheat sensitivity have a weakened intestinal barrier, which leads to a systemic immune response and a non-gluten protein may be to blame.

Daily TV Binge Watching Could Dramatically Shorten Your Life

We know that a sedentary lifestyle is not healthy. A new study finds specific pulmonary embolism risks in watching more than 2.5 hours of TV in a day.

The Top Contender for How You'll Likely Die

You know you're going to bid this planet farewell at some point, but what ultimately will cause your death? We have a good guess.

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