Diet plans
Learning Center
Can vitamin D protect against coronavirus disease 2019 (COVID-19)?
Find out what the research says about links between this key vitamin and the widespread viral infection.
Calcium supplements: When should they be taken?
Timing matters when taking these supplements. Learn how to take them.
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.
Caffeine: How much is too much?
Is your caffeine habit causing problems? Find out how much is too much and if you need to curb your consumption.
COVID-19 vaccines: Get the facts
Find out about the COVID-19 vaccines, the benefits of COVID-19 vaccination and the possible side effects.
COVID-19 vaccines for kids: What you need to know
Learn about the safety and effectiveness of COVID-19 vaccines for kids, the possible side effects, and the benefits of vaccination.
COVID-19 travel advice
Concerned about COVID-19 when you travel? Follow these tips for safely flying, driving and staying at hotels.
Breast cancer prevention: How to reduce your risk
Find out what lifestyle changes can lower your risk of this type of cancer.
Breast cancer chemoprevention: Drugs that reduce risk
Learn about the drugs that can help prevent breast cancer in people at high risk.
Blood in semen
Finding blood in your semen can be alarming, but the cause is usually benign. Find out possible causes and when to see a doctor.
Refine Your Search
Type
Gender
Age
- All
- 45 to 64 middle
- 19 to 44 younger
- 65 to 80 older
- 13 to 18 years teen
- 06 to 12 years elementary/preteen
- 03 to 5 years preschool
- 80 and over
- 02 months to 2 years infant/toddler
- 00 birth to 01 month newborn
- 29 to 40 middle
- 15 months
- 12 months
- 16 months to 2 years toddler
- 9 months
- 6 months
- 16 years