Nutritional supplements
Learning Center
Measles vaccine: Can I get the measles if I've already been vaccinated?
Is it possible to get measles from someone else if you've been vaccinated?
Manage your health and time while balancing work demands
Get tips to manage your health, stay focused, and use your time well while dealing with job pressures and demands.
Male masturbation: Does frequency affect male fertility?
Male masturbation has little effect on sperm count or quality.
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.
Kids and exercise: How much activity do they need?
You know your kids should exercise, but how much? Find out and get ideas for helping children and adolescents be more physically active.
Isometric exercises: Good for strength training?
Learn more about isometric exercises that contract a particular muscle or group of muscles.
Is a home sperm test useful?
Using a home sperm test to check your fertility may not provide a clear answer.
Intermittent fasting: What are the benefits?
Intermittent fasting isn't new, but it's gaining followers. What's the appeal?
Insomnia: How do I stay asleep?
Waking up in the middle of the night and not being able to get back to sleep is a common form of insomnia. Here's how to fall asleep again.
Hydrated skin: Does drinking water help?
Understand the role water plays in keeping skin healthy.
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