Nutrition basics
Learning Center
Chart of high-fiber foods
Looking to eat more fiber every day? Here are some common foods that can help.
Coconut water: Is it super hydrating?
This drink is promoted as "super hydrating." But is it really any better than plain water?
Coffee and health: What does the research say?
Has coffee gotten a bum rap? Can it be part of a healthy diet?
Coughing more after quitting smoking: What's the deal?
If you cough more than usual after you give up cigarettes, find out what it might mean and when to call the doctor.
Cystic fibrosis
This inherited condition causes severe damage to the lungs, digestive system and other organs. Learn about improvements in screening and treatments.
Depression in women: Understanding the gender gap
Women are diagnosed with depression more often than men are. Discover what factors may contribute to that increased risk.
Diet soda: How much is too much?
Diet soda may help you cut calories, but other low-calorie options abound.
Dietary fat: Know which to choose
Not all fat is created equal. Find out which type of fat to choose — and which to avoid — for good health.
Dietary fiber: Essential for a healthy diet
Some of the health benefits of eating dietary fiber might surprise you. Find out what fiber can do for you and how to get more in your diet.
Does atrial fibrillation run in families?
AFib is a common heart disorder. Sometimes it is inherited. Learn about all the risk factors.
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