How much fiber should you consume? Is there more than one kind of fiber? What foods contain fiber? Test your knowledge about fiber by taking the Fiber Quiz.

Experts are increasingly urging people to know their BMI, a figure that takes into account not just weight but also height to indicate body fat.

Most people get an occasional bout of heartburn—that burning feeling in the chest about a half-hour after eating. But if you get it often, you may have GERD.

Certain changes and discomforts occur during pregnancy - and are perfectly normal. Some of these changes include backache, frequent urination, and constipation. This video describes typical changes, how to safely relieve your discomfort, and what circumstances require a visit to your doctor.