Nutrition basics
Learning Center
Frequent sex: Does it protect against prostate cancer?
Some studies have suggested that frequent ejaculation may reduce the risk of prostate cancer. But other research hasn't supported this idea.
HPV infection: A cause of cancer in men?
Learn what types of cancer human papillomavirus can cause and how you can lower your risk.
High cholesterol in children: How is it treated?
High cholesterol in children can lead to narrowed and hardened arteries, increasing the risk of heart disease later in life.
High-protein diets: Are they safe?
Considering a high-protein diet for weight loss? Understand the precautions first.
How to track saturated fat
Knowing how much saturated fat is in the foods you eat can help you meet your health and nutrition goals.
How to treat a piercing site infection
Learn what you can do at home if your ear new piercing becomes infected.
Is a home sperm test useful?
Using a home sperm test to check your fertility may not provide a clear answer.
Juicing: What are the health benefits?
Learn about the pros and cons of extracting the juice from fresh fruits and vegetables.
Loss of sex drive in men: Natural with aging?
Age-related loss of sex drive is normal, but sometimes an underlying condition is at play.
Male masturbation: Does frequency affect male fertility?
Male masturbation has little effect on sperm count or quality.
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