Bullied kids exercise less 
Bullied kids exercise less
Experts find that middle school students who are teased during gym class are less likely to participate in physical activity.
Sports psychologists help athletes prep for Olympic Games  Featured
Sports psychologists help athletes prep for Olympic Games
For Winter Olympians, physical and mental training go hand in hand.
The 411 on atrial fibrillation 
The 411 on atrial fibrillation
Our expert explains this common heart arrhythmia.
Can a cold during pregnancy affect your unborn baby? 
Can a cold during pregnancy affect your unborn baby?
A new study finds that viral and bacterial exposure in the womb may raise risk of asthma and allergies in childhood.
Vitamins may not boost your long workouts 
Vitamins may not boost your long workouts
Experts say supplements may have negative effects on endurance training.
Added sugars raise heart disease risk 
Added sugars raise heart disease risk
A new study warns that artificial sugars increase the risk of dying from cardiovascular disease.
Two brothers with one common heart defect 
Two brothers with one common heart defect
A mother’s heart fills up when the holes in her two sons’ hearts get repaired.