Diseases and Conditions

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.

By John Perritano

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

By Kate Kershner

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

By Laurie L. Dove

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

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.

By Dave Roos

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

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.

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?

By Melanie Radzicki McManus

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.

By Kate Kershner

Thanks to a portable driver, Stan Larkin was able to live with an artificial heart out in the real world for 555 days.

By Kathryn Whitbourne

New approach to treating allergies involves hiding allergen in friendly shell so immune system doesn't attack it.

By Nichole Bazemore

Are jet air hand dryers the safest way to dry your hands after using the bathroom or are they blasting invisible microbes through the air with every use?

By Laurie L. Dove

Although scientists knew that birth season affected people's allergy risk, they didn’t know why this happened. A study gets us one step closer.

By Nichole Bazemore

With the rise of drug-resistant bacteria, scientists are taking a second look at infection treatments that were popular before antibiotics. Which ones might work today, and which ones are just quackery?

By Patrick J. Kiger

Is surrounding yourself with supercooled nitrogen gas a smart move for pain relief or a bunch of pseudoscience?

By Oisin Curran

Depending on the test and other factors, false positives can be extremely high for certain tests. Why is that, and what can be done about it?

By Melanie Radzicki McManus

Are turkey necks the next man bun? Turns out smartphone use can increase the wrinkle factor for saggy skin known as "tech neck."

By Chris Opfer

With blood pumping through your body every second of the day, it seems unthinkable that this life-giving substance could be an allergen. For some people, it's not weird science — it's reality.

By Laurie L. Dove

Allergy symptoms like itchy, watery eyes aren't any fun to deal with. Could you be causing your own pain with certain patterns of behavior?

By Laurie L. Dove

Death is a fact of life. Since the beginning of time humanity has come up with numerous superstitions to come to terms with the dearly departed.

By Bambi Turner

How can something so small be such a giant pain? Tweezers can undo most splinter damage but not all: That tiny interloper might be teeming with bacteria.

By Laurie L. Dove

Living with ulcers often means passing up your favorite spicy foods. But it gets worse — ulcers can form inside your body and on your skin, leading to potentially fatal conditions.

By Laurie L. Dove

It might seem counterintuitive for labs to stock highly contagious diseases, but some researchers insist it's with good reason.

By Debra Ronca

Although it's uncommon, bones can get infected — and it can be pretty serious stuff.

By Debra Ronca

Some people believe being Rh-negative type makes them immune to viruses like Ebola. Let's get to the bottom of this theory.

By Debra Ronca