Healthy diets
Learning Center
COVID-19 vaccines for kids: What you need to know
Learn about the safety and effectiveness of COVID-19 vaccines for kids, the possible side effects, and the benefits of vaccination.
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.
Circumcision (male)
Learn about the benefits and risks of surgery to remove the skin that covers the tip of the penis.
Clear liquid diet
Need to be on a clear liquid diet? Learn which foods to eat and which foods to avoid.
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.
DASH diet: Guide to recommended servings
Use this chart of DASH diet recommended servings by food group to plan healthy meals and snacks.
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: Sample menus
Interested in following the DASH diet? Here are sample menus to get you started.
Delayed ejaculation
Learn what can cause delayed or absent ejaculation and how it can be treated.
Dietary supplements for erectile dysfunction: A natural treatment for ED?
Some dietary supplements for erectile dysfunction might work and some might be dangerous. Get the facts.
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