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.
Mental health: What's normal, what's not
Normal mental health vs. mental illness — Find out how mental disorders are defined and diagnosed.
Water: How much should you drink every day?
Know how much water to drink to stay healthy and hydrated.
Suicide: What to do when someone is thinking about suicide
Take action when you see warning signs that someone is thinking about suicide. Talk with the person. Be sensitive and direct. Urge the person to get help.
What's the difference between H1N1 flu and influenza A?
H1N1 flu is a subcategory of influenza A.
Foot swelling during air travel: A concern?
Swelling of the leg or foot while flying is common and usually harmless.
Fingernails: Do's and don'ts for healthy nails
Find out the signs of a problem with your fingernails, plus tips for taking care of them.
Spinal cord tumor
Spinal cord tumors can cause serious problems such as pain and paralysis. Find out how more about management and treatment.
Vertebral tumor
Vertebral tumors grow in the bones of the spine, causing pain and weakening the spinal column. Read more about how they’re managed, and what to expect.
Sodium: How to tame your salt habit
Find out which foods have lots of this mineral and get tips on how to cut back.
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