Nutrition basics
Learning Center
Testosterone therapy: Potential benefits and risks as you age
Testosterone therapy — Explore the potential benefits and risks of increasing your testosterone level.
Female fertility: Why lifestyle choices count
Know what you can do to protect being able to get pregnant.
COVID-19, cold, allergies and the flu: What are the differences?
Knowing if you have COVID-19, a cold, the flu or seasonal allergies isn't easy. Find out about the differences between these illnesses.
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.
Placenta: How it works, what's normal
Understand how this pregnancy organ works and what conditions can affect it.
Pregnancy and obesity: Know the risks
Know how obesity can affect your pregnancy. Learn about possible complications and specialized care you might need.
Refine Your Search
Type
- All
- Article
Gender
Age
- All
- 45 to 64 middle
- 19 to 44 younger
- 65 to 80 older
- 80 and over
- 13 to 18 years teen
- 06 to 12 years elementary/preteen
- 03 to 5 years preschool
- 02 months to 2 years infant/toddler
- 29 to 40 middle
- 16 years
- 00 birth to 01 month newborn
- 18 years