Evidence of two autoantibodies signaled a 70 percent risk, researchers say

But 45 million Americans overall still don't have health insurance

Pregnant women who live with smog at higher risk, but experts caution the finding is not definitive

Some supplements are good for rheumatoid arthritis (RA). Some are dangerous. WebMD explains which supplements and herbs may help relieve rheumatoid arthritis symptoms and which ones you should never take.

WebMD talks to experts about how smoking and drinking affect rheuamtoid arthritis.

But all too often, the demand outpaces the technology to deliver it, Harris Interactive/HealthDay poll finds

British study finds no problems with balance in kids, but some experts have concerns about the findings

Preliminary finding suggests mild brain injury triggers long-lasting abnormalities in white matter

But findings don't explain exactly how they are connected

WebMD discusses ways to help determine what you can expect when it comes to your final height.

Large study finds higher consumption increases risk, but experts are at odds with findings

Harmful effects in older patients include muscle, kidney damage, researchers say

Overweight women who ate morning meal had lower blood sugar, better insulin response in small study

Arizona lawmakers have approved Medicaid expansion under the Affordable Care Act. - WebMD

Researchers say a small, new study shows that fat cut the body's level of a chemical that keeps Alzheimer's at bay

MRI shows weaker connection to brain's reward center in those who have high-functioning autism

Early study doesn't prove that common chemical causes the condition, experts say

WebMD provides tips for teen guys who want to bulk up. Get diet and nutrition advice, as well as safety tips.

Vets, physicians say a new system may speed up drug discovery for dogs, cats and humans

Talking with your partner about erectile dysfunction can be the first step toward better sex.

Time spent helping others linked to lower blood pressure in older adults, study finds

Study of older adults doesn't prove that steroids are to blame, but experts advise caution

Senior hospitalizations also up during 2012-13 onslaught, U.S. health officials say

Used to examine patients' gastrointestinal tracts, dirty devices might pose infection risk

Men with sexual side effects appear to drink less, even after they stop taking the drug

Study found bias may have sidelined older women sexually, prompted changes that led to infertility

Sharing housework also key, study found, as is open communication with spouse

Decision should have profound impact on medicine, gene-testing industry

Just because your child is thin doesn't mean she's healthy. She could still have weight issues.

Exercise is great for your child's body and brain. It helps with thinking, mood, sleep, and more.

No major side effects seen in 3 patients over nearly 3 years

Older men with condition have 39 percent increase in mortality, study suggests

Study finds preteen girls who had high levels of common chemical were twice as likely to be overweight

Study found 70 percent drop in new infections among addicts who adhered closely to tenofovir treatment

Too much plaque-building protein produced in people with certain genes, study finds

Findings underscore need to protect developing brain, researcher says

They cause mental distraction that can lead to crashes, experts warn

Biologic drug Enbrel wasn't better for patients who didn't respond to methotrexate alone

Walking 15 minutes three times a day was better for blood sugar levels than one 45-minute walk, small study found

Flare-ups most likely if condition starts in joints such as knee or elbow, researchers say

Musician/actor Common talks about his latest film, his health, being a dad, and his Common Ground Foundation.

The singer, songwriter, an actor talks about how having a baby has changed his life and music.

"Dallas" star Jordana Brewster shares her healthy living secrets. Plus what's always in her fridge – and her purse.

NBA star Carmelo Anthony scores points for his team and the young people who follow in his footsteps.

Study findings bolster suspected link between sleep disorder and heart-related death

In large Swedish study, risk rose along with the mother's weight

Signs of chronic inflammation in the blood linked to faster deterioration of lung function

Higher rates of hospitalization, illness and depression for seniors reported in study

All infections traced to product sold at Costco stores, agency says

And 1 in 10 don't scrub up at all after flushing