Saturated Fat May Make the Brain Vulnerable to Alzheimer's
Researchers say a small, new study shows that fat cut the body's level of a chemical that keeps Alzheimer's at bay

Kids With Autism May Find Human Voice Unpleasant
MRI shows weaker connection to brain's reward center in those who have high-functioning autism

Many Young Americans Unaware They're Infected With HIV
Study found age was key to whether patients knew HIV status and were getting treatment

Junk Food Ads May Help Drive Obesity in Hispanic Kids, Study Suggests
Many of the more than 4,200 TV pitches children view each year highlight fatty, sugary fare

Health, Not Age, Affects Benefits of Implanted Heart Device: Study
Issue is important to growing number of elderly living with heart disease, researcher says

Tobacco Laws for Minors May Cut Adult Smoking as Well
Fewer legal-age smokers in states with tighter regulations, enforcement, study finds

Sibling Bullying Can Lead to Depression, Anxiety in Victims
Study says it may be as damaging as abuse from peers

Hot Weather Takes Toll on Farmworkers: Study
Many contend with extreme temperatures in sleeping quarters; daytime fatigue could threaten worker safety

Gene Variants May Play Role in Obesity
But findings don't explain exactly how they are connected

BPA Exposure Tied to Undescended Testicles in Boys
Early study doesn't prove that common chemical causes the condition, experts say

Minority Kids With Autism Less Likely to Use Specialty Services: Study
Compared to white children, black and Hispanic patients may be missing out on certain types of care

Skipping Breakfast May Raise Diabetes Risk
Overweight women who ate morning meal had lower blood sugar, better insulin response in small study

Stepdads Must Navigate Tricky Waters
Study shows talking through issues, having shared parenting style help the new family survive the journey

Are There 2 Types of Gulf War Illness?
Small study of veterans suggests that may be a possibility

Your Summer Cold May Actually Be an Allergic Reaction
Grass pollens and mold spores often trigger allergy symptoms during the warm-weather months

Primary Care Doctors Still in Short Supply in U.S.
Only 5 percent of new doctors head to rural areas, researchers find

Many Stop Taking Rheumatoid Arthritis Meds Too Soon: Study
Greatest benefit seen within first 2 years of treatment, but half quit earlier