Staying healthy
Learning Center
COVID-19 vaccine: Should I reschedule my mammogram?
Swollen lymph nodes caused by the COVID-19 vaccine can look like breast cancer on a mammogram. Find out what to do if you've got a mammogram scheduled.
COVID-19 variants: What's the concern?
The virus that causes COVID-19 has changed over time, which has affected prevention, diagnosis and treatment of COVID-19.
Caffeine: Does it affect blood sugar?
For some people with diabetes, one cup of coffee may raise or lower blood sugar. Learn how caffeine can affect blood sugar.
Caffeine: How does it affect blood pressure?
Caffeinated drinks can raise blood pressure in the short term. But the long-term effects on blood pressure aren't clear.
Caffeine: Is it dehydrating or not?
Caffeinated drinks usually won't dehydrate you, but water is still your best option.
Calcium supplements: A risk factor for heart attack?
Learn about the possible link between calcium supplements and heart attacks.
Calcium supplements: Do they interfere with blood pressure drugs?
In large amounts, these supplements may affect certain blood pressure medicines.
Calcium supplements: When should they be taken?
Timing matters when taking these supplements. Learn how to take them.
Can vaginal tears during childbirth be prevented?
Learn what you can do to help lower the risk of vaginal tears during childbirth.
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.
Refine Your Search
Type
- All
- Answer
Gender
Age
- All
- 19 to 44 younger
- 45 to 64 middle
- 65 to 80 older
- 80 and over
- 06 to 12 years elementary/preteen
- 13 to 18 years teen
- 03 to 5 years preschool
- 02 months to 2 years infant/toddler