Nutrition basics
Learning Center
Groin pain (male)
Learn more about the causes and symptoms of this type of pain. Also find out how you can treat it at home and when to get a checkup.
HPV infection: A cause of cancer in men?
Learn what types of cancer human papillomavirus can cause and how you can lower your risk.
Hand swelling during exercise: A concern?
This condition is a common problem, but rarely serious enough to disrupt your routine.
Headaches and hormones: What's the connection?
Headaches are part of life for many people. Understand how hormones can play a role.
Healthy sperm: Improving your fertility
You can take simple steps to have healthy sperm and improve your fertility.
Hemorrhoids
There are many effective options for easing the discomfort of hemorrhoids — swollen veins in the anus and lower rectum.
Hepatitis C: How common is sexual transmission?
Although hepatitis C is highly contagious, the risk of sexual transmission is very low.
High-protein diets: Are they safe?
Considering a high-protein diet for weight loss? Understand the precautions first.
Hormone therapy for prostate cancer
Find out what to expect during testosterone-blocking therapy. Learn about choices, including medicines and surgery.
How opioid use disorder occurs
Opioids act on the brain in powerful and potentially dangerous ways. Find out why no one is safe from opioid use disorder and learn what raises the risk.
Refine Your Search
Type
Gender
Age
- All
- 45 to 64 middle
- 19 to 44 younger
- 65 to 80 older
- 80 and over
- 13 to 18 years teen
- 03 to 5 years preschool
- 06 to 12 years elementary/preteen
- 02 months to 2 years infant/toddler
- 00 birth to 01 month newborn
- 29 to 40 middle
- 15 months
- 12 months
- 6 months
- 9 months
- 16 months to 2 years toddler
Focus
- All
- Causal Risk Factor
- Clinical Treatment
- Home Treatment
- Prevention
- Complication
- Risk factor
- Symptom (reportable)
- Test
- Definition