Fitness basics
Learning Center
Digestion: How long does it take?
Digestion takes about two to five days, depending on your system.
Discolored semen: What does it mean?
Find out what causes discolored semen.
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.
Exercise and illness: Work out with a cold?
Play it smart. Ease up on exercise if you have a cold.
Exercise: 7 benefits of regular physical activity
Improve your heart health, mood, stamina and more with regular physical activity.
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.
Fitness program: 5 steps to get started
Starting a fitness program is easier than you might think. Follow these five steps.
Fitness training: Elements of a well-rounded routine
Is your fitness training program complete? Here's help to make sure you have all the basics in your program.
Foot swelling during air travel: A concern?
Swelling of the leg or foot while flying is common and usually harmless.
Forgiveness: Letting go of grudges and bitterness
Forgiveness and letting go can lead to healing and peace.
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