Nutritional supplements
Learning Center
What are opioids and why are they dangerous?
Opioids are a broad group of medicines used to relieve pain. Although these medicines are effective, they can lead to addiction. Take them only as directed.
Fasting diet: Can it improve my heart health?
Being on a fasting diet some of the time may have heart-health benefits. Find out more.
Premenstrual dysphoric disorder: Different from PMS?
Extreme moodiness, intense sadness or marked irritability in the days before your period — along with your usual PMS symptoms — could be PMDD.
Bioidentical hormones: Are they safer?
There's no evidence that bioidentical hormones are safer than standard hormone therapy for menopause.
Cervical length: Why does it matter during pregnancy?
If cervical length during pregnancy shortens too soon, there might be an increased risk of preterm labor.
Unusual COVID-19 symptoms: What are they?
COVID-19 can cause a wide variety of symptoms, some more common than others. Learn about how COVID-19 can make you feel.
Thyroid guard: Do I need one during a mammogram?
A Mayo Clinic expert discusses using thyroid guards during mammograms to reduce the risk of thyroid cancer from radiation.
Ovarian cancer: Still possible after hysterectomy?
Surgery to remove your uterus may affect your risk of ovarian cancer, depending on the type of procedure you had.
Vaccines during pregnancy: Are they safe?
Find out which vaccinations you need while pregnant and which ones to stay away from.
X-ray during pregnancy: Is it safe?
Learn when an X-ray during pregnancy might cause harm and how to avoid it.
Refine Your Search
Type
- All
- Answer
Gender
Age
- All
- 19 to 44 younger
- 45 to 64 middle
- 65 to 80 older
- 00 birth to 01 month newborn
- 02 months to 2 years infant/toddler
- 06 to 12 years elementary/preteen
- 03 to 5 years preschool
- 80 and over
- 13 to 18 years teen
- 02 to 15 months infant
- 16 months to 2 years toddler