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

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

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

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

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

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

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

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

But findings don't explain exactly how they are connected

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

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

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

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.

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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