Cardiovascular disease—which causes heart attacks and strokes—is the leading cause of death in America. The good news: you can curb your risk by eating a healthy diet and exercising regularly.

One in eight adults have diabetes (mostly type 2). Another one in three have prediabetes. Nine out of ten don’t know it. But a healthy diet and exercise can cut type 2 diabetes risk in half.

From constipation to irritable bowel syndrome, GERD, or gluten sensitivity, gut troubles are no walk in the park. Here’s what to know about diet, probiotics, fiber, medications, and more.

Can eating more broccoli boost your immune system? Do you need to take zinc? What should you do if you catch a bug? Here’s what matters.

Food is a minefield for anyone with severe allergies. But not every reaction to a food is an allergy. Here’s what to know about food allergies and the less-understood food “sensitivities.”

Want a sharper mind, clear focus, and better mood? Here’s how diet, exercise, and supplements can—or can’t—keep your brain healthy.

Cancer is the #1 killer of Americans aged 45 to 84. Smoking accounts for 30 percent of those deaths. Excess weight, inactivity, poor diet, and alcohol account for another 16 percent. Here’s how to cut your risk.

Keeping your bones strong and your joints supple can help prevent falls and fractures, pain, stiffness, and disability. Here’s how to prevent—or manage—osteoarthritis, osteoporosis, osteopenia, and gout.

Age-related macular degeneration is the leading cause of vision loss for U.S. adults aged 65 and older. Diabetic retinopathy, glaucoma, and cataracts also impair the sight of millions of Americans. Here’s what may—and may not—keep your eyes in good working order.

Age takes a toll on your ears. A quarter of people in their 60s, and two-thirds of those aged 70 and up, have trouble hearing. That works out to 30 million of us...and counting. Here’s what may protect your hearing, plus what new devices can help.

One out of ten adults have chronic kidney disease. Most don’t know it because early on, kidney disease has no symptoms. Here’s how to find out if your kidneys are healthy—and how to keep them that way.

One out of every two American women will experience the pain, burning, and urgency of a urinary tract infection at least once in her lifetime. Heard that cranberry juice can prevent UTIs? Don't count on it. Here's why...and what may help.