Harvard Health

Many Americans take magnesium supplements, which are sometimes marketed as super pills that help a long list of ailments including muscle tension, low energy, and trouble sleeping. But think twice...

Calcium is most effective when it comes from the food you eat. Use our guide to identify convenient sources. Many people take daily calcium supplement pills. However, two studies published...

It helps reduce stress and anxiety, which can lower heart rate and blood pressure while reducing harmful hormones. There's more to heart attack and stroke prevention than medications, exercise, and...

Some health screenings may do more harm than good. Certain health screenings, such as colonoscopies and cholesterol checks, are wise preventive measures. But other common tests may be unnecessary. "I...

A flu shot may not be enough; you may be ready for other vaccinations. With autumn approaching, it's time to review your vaccinations and see if you need any updates....

Diuretics are usually prescribed as a first-line treatment for high blood pressure, though many people require additional drugs for blood pressure management, such as beta blockers, ACE inhibitors, or angiotensin-receptor...

Here's more evidence linking dangerously low blood sugar to the risk of developing problems with memory and thinking: a study in JAMA Internal Medicine published online June 10, 2013, found...

Statins are among the most widely prescribed medications in the world, and their cholesterol-lowering properties are reducing heart disease risk for millions of people. Like many other drugs, most statins...

Do fish oil supplements reduce the risk of heart disease? There are many studies of this question, and they don't all come to the same results. A study published May...

Eating disorders are usually associated with teenagers, but they are also common among older Americans. Research has shown that in women ages 50 and over, 3.5% report binge eating, and...