Fitness basics
Learning Center
Strength training: Get stronger, leaner, healthier
Strength training can help you look good — and feel even better.
Strategies to prevent heart disease
Learn strategies you can practice now to protect your heart.
Stem cells: What they are and what they do
Get answers about where stem cells come from, why they're important for understanding and treating disease, and how they are used.
Statins: Are these cholesterol-lowering drugs right for you?
Learn more about the risks and benefits of taking cholesterol-lowering medicines before deciding if they're right for you.
Statin side effects: Weigh the benefits and risks
Statin side effects can be uncomfortable but are rarely dangerous.
Stages of labor and birth: Baby, it's time!
Find out what happens during the different stages of labor and birth.
South Beach Diet
Weighing your weight-loss options? The South Beach Diet emphasizes lower carbs, more proteins and healthy fats to lose pounds.
Sodium: How to tame your salt habit
Find out which foods have lots of this mineral and get tips on how to cut back.
Smokeless tobacco products
Learn the risks of using products such as chewing tobacco, snuff and snus.
Sleeping positions that reduce back pain
Avoid aggravating back pain while you sleep. Get comfortable using good sleeping positions.
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