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

By Alia Hoyt

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

By Robert Lamb

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

By Robert Lamb

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

By Alia Hoyt

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

By Michelle Konstantinovsky

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

By Jesslyn Shields

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

By Jesslyn Shields

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

By Jesslyn Shields

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

By Kate Kershner

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

By Shelley Danzy

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

By Alia Hoyt

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

By Sarah Gleim

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?

By Jesslyn Shields

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.

By Jesslyn Shields

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

By Kate Kershner

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Mosquitoes spread deadly malaria, and trimming one specific shrub could make significant headway in battling the disease.

By Laurie L. Dove

A new study shows that by testing for multiple genetic factors, it's possible to identify those who have a higher-than-normal risk of developing testicular cancer, a disease that often strikes young men.

By Patrick J. Kiger

The CDC has an app to help you make wise food choices while traveling.

By Alia Hoyt

It's called oral allergy syndrome, and it's caused when the immune system freaks out and overreacts to allergens.

By Shelley Danzy

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We often feel unsure about what to say to a friend with a serious illness, so we fall back on clichés. Here are some better ways to help .

By Alia Hoyt

Many women dread the squishing of their chest during their annual checkup. Is there another way to get the same results in a more breast-friendly way?

By Alia Hoyt

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

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

By Nichole Bazemore

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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

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

By Alia Hoyt