Fitness basics
Learning Center
How your brain works
Which part of your brain does what? Take a tour.
How you hear
Your ears enable you to gather and interpret sounds from the world around you.
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.
Home birth: Know the pros and cons
Understand the possible risks and how to plan and prepare for a home birth.
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.
Forgiveness: Letting go of grudges and bitterness
Forgiveness and letting go can lead to healing and peace.
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.
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