Nutrition basics
Learning Center
Pregnancy diet: Focus on these essential nutrients
Find out how to pack your pregnancy diet with essential nutrients, including folate, iron and vitamin D.
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.
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.
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.
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