Stress relief
Learning Center
Dental floss vs. water flosser: Which is better?
Cleaning between your teeth every day is an important part of good oral health.
Delayed ejaculation
Learn what can cause delayed or absent ejaculation and how it can be treated.
Debunking COVID-19 myths
Some information you come across about COVID-19 may be out of date or false. Learn about COVID-19 myths so you can bust them when you see them.
Cryotherapy for prostate cancer
Find out how very cold temperatures are used to freeze tissue and treat prostate cancer. Learn about the side effects and potential benefits of cryotherapy.
Coronavirus: What is it and how can I protect myself?
Coronavirus disease 2019 (COVID-19) is caused by a virus that spreads between people. Find out how to protect yourself and those close to you.
Colon cancer screening: Weighing the options
Find out more about the pros and cons of specific tests used for colon cancer screening, including colonoscopy, stool DNA test and virtual colonoscopy.
Colon cancer screening: At what age can you stop?
Some groups recommend people over 75 may consider stopping colon cancer screening. Not everyone agrees. Learn about your colon cancer screening options.
Cold and flu viruses: How long can they live outside the body?
Some viruses are more resilient than you may think. Learn more about how they spread and how to protect yourself.
Cobra
Try this yoga pose to strengthen and stretch your back.
Circumcision (male)
Learn about the benefits and risks of surgery to remove the skin that covers the tip of the penis.