Harvard Health

Sleep is essential to good health, and a lack of it can lead to heart disease, high blood pressure, stroke, weight gain, and diabetes. Yet 22 percent of Americans struggle...

ASPIRIN DURING A HEART ATTACK: WHAT YOU SHOULD KNOW Chewing an aspirin tablet during the first symptoms of what could be a heart attack can save your life. But in...

Sleep is essential to good health, and a lack of it can lead to heart disease, high blood pressure, stroke, weight gain, and diabetes. Yet 22 percent of Americans struggle...

Q. Recently, my eyes have been more sensitive and irritated, and it's uncomfortable to wear my contact lenses. My eye doctor says I have dry eyes and advises artificial tears....

Mr. J. had an implantable cardioverter defibrillator (ICD) for advanced heart failure. Having survived one episode of cardiac arrest, in which he nearly died, he was at high risk for...

Q. Why does my calf start hurting a few minutes after I start walking? A. The most benign possibility, particularly if this problem started recently, is simply a strain in...

Q. If you exercise daily (and sweat), can you have more than the daily recommended limit of sodium? A. The simple answer is "Yes," but it really depends on how...

Mr. J. had an implantable cardioverter defibrillator (ICD) for advanced heart failure. Having survived one episode of cardiac arrest, in which he nearly died, he was at high risk for...

Q. If you exercise daily (and sweat), can you have more than the daily recommended limit of sodium? A. The simple answer is "Yes," but it really depends on how...

Q. Why does my calf start hurting a few minutes after I start walking? A. The most benign possibility, particularly if this problem started recently, is simply a strain in...