Insulin Prices Skyrocket, Putting Many Diabetics in a Bind

American Diabetes Association asks Congress to investigate the matter

New Parkinson's Gene Identified

Scientists say it's linked to higher risk of early onset disease in white people

Scans Show Changes in Some Soldiers With Mild Brain Injuries

Depressed patients had disrupted connections between areas of thinking, emotional control

Scientists Spot 'Teetotaler' Gene

Discovery might one day lead to drugs to control excessive alcohol consumption, researchers say

Smoking Raises Heart Attack Risk 8-Fold in People Under 50

At all ages, the habit boosted odds for heart trouble, but younger people fared the worst, study found

Spiritual Experiences Seem to Trigger the Brain's Reward System

Many study participants were tearful by the end of imaging scans

Tennis Anyone? It May Prolong Your Life

Racquet sports, swimming and aerobics tied to lower risk of early death in study

3 Keys to Cutting Your Risk of Heart Failure

Guarding against obesity, high blood pressure and diabetes at middle age may slash risk, study finds

Alzheimer's Protein Plaques May Also Harm the Heart

Deposits can cause patients' heart muscle to stiffen, keeping it from pumping properly, study suggests

Fast-Food Calorie Labeling Not Working, Study Finds

More visible signage could tip scales toward healthier eating