Cutting-Edge Gene Tests May Improve Management of Autism

Results could help personalize care, experts say

More Older Americans Falling Prey to Bike Injuries

Riders over 45 a big part of jump in hospital admissions for more severe accidents, report finds

Secondhand Smoke in Pregnancy, Youth Tied to Irregular Heartbeat Years Later

Effect was strongest for those without other risk factors for atrial fibrillation, but more study needed

Blood Pressure May Be Key to Brain Hemorrhage Recurrence

Survivors who kept pressure under control helped prevent a second 'bleeding stroke,' study found

U.S. Smoking Rate Falls to 15 Percent: CDC

Higher tobacco taxes, tough messages contribute to falloff, experts say

Too Much Weight in Midlife Tied to Earlier Alzheimer's

Slimming down might delay dementia, research suggests

Knee, Hip Replacement Surgeries Linked to Heart Risks

Odds are highest in the month following the procedure, study finds