Staying healthy
Learning Center
Germs: Understand and protect against bacteria, viruses and infections
Learn how to protect against bacteria, viruses and infections.
HPV infection: How does it cause cervical cancer?
Cervical cancer is most often caused by a genital human papillomavirus (HPV) infection.
Hand swelling during exercise: A concern?
This condition is a common problem, but rarely serious enough to disrupt your routine.
Hand-washing: Do's and don'ts
Done properly, hand-washing is a simple way to prevent the spread of germs and avoid getting sick.
Headaches and hormones: What's the connection?
Headaches are part of life for many people. Understand how hormones can play a role.
Healthy habits that boost happiness
By choosing healthy habits, you can decrease your stress and do more of the things that bring you joy. Learn habits that can lead to living a happier life.
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.
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.
How to break the busy cycle
Take a step back and examine why you're so busy. Then embrace the value of doing nothing. Use these tips for learning how to press pause this week.
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