Nutrition basics
Learning Center
Underweight? See how to add pounds healthfully
If you're underweight and not happy about it, try these tips to help you achieve your goal weight.
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.
Coconut water: Is it super hydrating?
This drink is promoted as "super hydrating." But is it really any better than plain water?
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.
Penis fracture: Is it possible?
Know the signs and symptoms of a penis fracture.
Is a home sperm test useful?
Using a home sperm test to check your fertility may not provide a clear answer.
Does soy really affect breast cancer risk?
Soy foods reduce the risk of breast cancer, but more research is needed to determine whether soy supplements are equally beneficial.
Flu shots for kids: Does my child need a flu shot?
Know the latest recommendations for children's flu vaccines.
Autism spectrum disorder and digestive symptoms
Children with autism spectrum disorder often have other health issues, including problems related to digestion.
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.
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