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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 to take your temperature
Learn how to get an accurate temperature reading at home, using common types of thermometers.
How to take your pulse
Learn two ways to take an accurate pulse, or heart rate.
How to measure your respiratory rate
Learn how to accurately measure your breathing rate, which is also known as your respiratory rate.
How meat and poultry fit in your healthy diet
Meat and poultry can be part of a healthy-eating pattern. Choose lean cuts and prepare them using healthy-cooking techniques.
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.
Helping children cope: Tips for talking about tragedy
Helping children cope with tragedy isn't easy. Consider practical ways to support your child.
Heart-healthy diet: 8 steps to prevent heart disease
Certain foods can raise your heart disease risk. Learn eight ways to get started on a heart-healthy diet.
Healthy sperm: Improving your fertility
You can take simple steps to have healthy sperm and improve your fertility.
Healthy recipes: A guide to ingredient substitutions
Healthy recipes start with healthy ingredients. Find out how to reduce salt and saturated fat in your favorite recipes with some simple substitutions.
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