Fitness basics
Learning Center
How well do face masks protect against COVID-19?
Face masks can help slow the spread of coronavirus disease 2019 (COVID-19). Learn about mask types, which masks to use and how to use them.
How fit are you? See how you measure up
Find your fitness level with these simple fitness tests.
Herd immunity and COVID-19: What you need to know
To protect groups of people over time, it helps to know what level of recovery or vaccination in a population makes it hard for a germ to spread.
HPV vaccine: Who needs it, how it works
Learn about how the HPV vaccine works, who needs it and what side effects to expect.
Guide to different tick species and the diseases they carry
Learn about different tick species and some of the diseases they may carry.
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.
Fitness program: 5 steps to get started
Starting a fitness program is easier than you might think. Follow these five steps.
Exercise: 7 benefits of regular physical activity
Improve your heart health, mood, stamina and more with regular physical activity.
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.
Eating disorder treatment: Know your options
Depending on your eating disorder and its symptoms, treatment may include a mix of talk therapy, nutrition education and medicines.
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