Study finds hay fever increases frequency of respiratory problems in COPD patients

American Heart Association cites stress-busting, dog-walking benefits of companion animals

Vegetables that contain nicotine may offer some protection, research suggests

Young researcher suggests that users avoid placing tablets too close to the chest

Do you know what to have on hand for your pets in case of emergency?

As it turns out, constant pressure may put your baby at risk.

Want to stay young in mind and body? Develop these lifelong habits.

Do hot and cold temps make your teeth ache? Here's how to banish the pain of sensitive teeth.

A top dentist opens up about what he wishes his patients would do.

Substance-abuse programs may improve young women's education, income prospects

Even not-so-loud sounds seemed to raise people's heart rate in small study

Device implanted directly in the heart, but questions remain about long-term use, safety

Dermatologists say redheads must take extra care to check skin, avoid sun

They don't reduce the risk of heart attack, heart failure or death, researchers report

But the risk is small and the connection hasn't been proven, researchers say

But preventing respiratory synctial virus comes with a hefty price tag

Single, random change to gene during fetal development causes birthmarks and the more serious Sturge-Weber syndrome

Study of 4 women found E. coli that 'migrated' and thrived

WebMD helps you decide whether a hip or knee replacement is right for you.

Use WebMD's 7 steps to ease the pain and stiffness of osteoarthritis.