Fitness basics
Learning Center
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.
Exercise and chronic disease: Get the facts
Find out about the benefits of working out with a long-lasting disease and how to exercise safely.
How fit are you? See how you measure up
Determine your fitness level with this simple fitness assessment.
Strategies to prevent heart disease
Learn strategies you can practice now to protect your heart.
Vaccines for adults: Which do you need?
Vaccines offer protection from infectious diseases. Find out how to stay on top of the vaccines recommended for adults.
Colon cancer screening: Weighing the options
Find out more about the pros and cons of specific tests used for colon cancer screening, including colonoscopy, stool DNA test and virtual colonoscopy.
Diabetes prevention: 5 tips for taking control
Diabetes prevention is in your hands. Start by changing your lifestyle.
Flu shot: Your best bet for avoiding influenza
Get answers to your flu vaccine questions, including whether the vaccines are effective, what forms are available and what side effects you can expect.
Are you thinking about suicide? How to stay safe and find treatment
If you have suicidal thoughts, contact a suicide hotline or a mental health professional. Get help for depression. Make a plan to get through a crisis.
Red wine and resveratrol: Good for your heart?
Find out why red wine is thought to be good for the heart and how to enjoy red wine in a healthy way.
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