Healthy diets
Learning Center
DASH diet: Healthy eating to lower your blood pressure
This way of eating can help control blood pressure and boost health in other ways. It's easy to get started.
DASH diet: Guide to recommended servings
Use this chart of DASH diet recommended servings by food group to plan healthy meals and snacks.
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.
Clear liquid diet
Need to be on a clear liquid diet? Learn which foods to eat and which foods to avoid.
Circumcision (male)
Learn about the benefits and risks of surgery to remove the skin that covers the tip of the penis.
Chronic pelvic pain
Ongoing pain in the pelvis can be a symptom of another disease or a condition in its own right. Learn how it's diagnosed and treated.
Cervical cancer
Screening with Pap tests can reduce the risk of this cancer that begins in the cervix. Learn more about symptoms, causes, prevention and treatment.
Canker sore
Canker sore — Learn about the causes, treatment and prevention of this painful mouth sore.
Caffeine content for coffee, tea, soda and more
Find out just how much caffeine is in coffee, tea, soda and energy drinks. You may be surprised at how much caffeine you're consuming.
COVID-19: Long-term effects
Learn about the possible long-term effects of COVID-19.
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