Nutrition basics
Learning Center
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.
Water: How much should you drink every day?
Know how much water to drink to stay healthy and hydrated.
Sodium: How to tame your salt habit
Find out which foods have lots of this mineral and get tips on how to cut back.
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.
Caffeine: How much is too much?
Is your caffeine habit causing problems? Find out how much is too much and if you need to curb your consumption.
Carbohydrates: How carbs fit into a healthy diet
See why carbohydrates are important for your health and learn which ones to choose.
STD testing: What's right for you?
Find out how your risk factors affect the types of tests you'll need for sexually transmitted infections (STIs).
Cancer blood tests: Lab tests used in cancer diagnosis
Blood tests used to help diagnose cancer include CBC and tumor marker tests. Other tests and procedures are needed to confirm a cancer diagnosis.
Artificial sweeteners and other sugar substitutes
Get the facts on products that make food and drinks sweeter.
Chart of high-fiber foods
Looking to eat more fiber every day? Here are some common foods that can help.
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