Nutrition basics
Learning Center
Calcium and calcium supplements: Achieving the right balance
Considering calcium supplements? First figure out how much calcium you need. Then weigh the pros and cons of supplements.
Pregnancy nutrition: Foods to avoid during pregnancy
Learn what not to eat when you're pregnant.
Penis health: Identify and prevent problems
Understand the factors that affect penis health and how to identify problems.
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.
Exercising with osteoporosis: Stay active the safe way
Osteoporosis weakens your bones, but you can still exercise — in fact, you should.
Safety tips for attending school during COVID-19
Consider prevention strategies that you and your child's school can follow to help protect your child from COVID-19.
Asthma: Limit asthma attacks caused by colds or flu
If you have asthma, find out how to keep your sneeze from turning into a wheeze due to colds or flu.
Prenatal care: 1st trimester visits
Prenatal care can help ensure a healthy pregnancy. Here's an overview of first trimester visits.
Sex during pregnancy: What's OK, what's not
Questions about sex during pregnancy? Here's what you need to know.
Prostate cancer prevention: Ways to reduce your risk
Choose a healthy diet and add exercise to your daily routine in order to reduce your risk of prostate cancer. Learn more about prostate cancer prevention.
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