Nutrition basics
Learning Center
Diet soda: How much is too much?
Diet soda may help you cut calories, but other low-calorie options abound.
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.
Cystic fibrosis
This inherited condition causes severe damage to the lungs, digestive system and other organs. Learn about improvements in screening and treatments.
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.
Coffee and health: What does the research say?
Has coffee gotten a bum rap? Can it be part of a healthy diet?
Coconut water: Is it super hydrating?
This drink is promoted as "super hydrating." But is it really any better than plain water?
Chart of high-fiber foods
Looking to eat more fiber every day? Here are some common foods that can help.
Cervical length: Why does it matter during pregnancy?
If cervical length during pregnancy shortens too soon, there might be an increased risk of preterm labor.
Cellulitis: How to prevent recurrent episodes
Learn to treat and prevent recurrent cellulitis.
Carbohydrates: How carbs fit into a healthy diet
See why carbohydrates are important for your health and learn which ones to choose.
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