Colorectal cancer is a tale of two age groups. Although the disease is still more common in people older than 50, rates have been falling for this population. Credit increased screening—which can prevent some cases by finding precancerous growths—as one reason for this decline. But among those younger than 50, colorectal cancer rates have risen since the early ’90s.

While cigarette smoking is the top risk factor for lung disease, nonsmokers can be diagnosed, too. Learning about less common causes of lung cancer may help you avoid them.

Compared with gym workouts, exercising outside can boost your health and mental well-being, make workouts more enjoyable, and reduce your perceived effort so you can push yourself harder. But if you’re doing the same thing each day, it’s time to re-evaluate your routine.

Whether you’re in your 20s or your 60s, one thing is true when it comes to aging: you can’t stop it. But being physically active is one of the best ways to stay healthier and potentially add years to your life.

Although cancer of the cervix was once one of the most common causes of cancer-related death among U.S. women, effective testing has dramatically changed that.

Summer heat can be a problem when you have heart failure. Heart failure puts you at risk for heat-related illnesses such as heat stroke.

Many weight-loss diets focus on calorie-counting, but research indicates that it may be more helpful to concentrate on what you eat instead of just on how much you eat.

Tiny but mighty: Seeds can be as small as the tip of a pencil but pack a major nutritional punch. Many varieties contain a slew of healthy fats, fiber, and minerals.

Even brief amounts of exercise can help you fortify your heart health, manage your weight, and simply boost your overall well-being.

Knee pain and stiffness are common when you have osteoarthritis of the knee. Physical therapy and medicines can help ease those symptoms—as can the martial art tai chi.