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5 Vitamins for Men's Sexual Health

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There are some great vitamins for men's sexual health. Visit HowStuffWorks to find 5 vitamins for men's sexual health.

Should you stay out of the sun while taking vitamin A?

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Taking vitamin A could make your skin more sensitive. Find out if you should stay out of the sun while taking vitamin A.

Are multivitamins really good for me?

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Multivitamins seem liked they'd have to be good for you. But, how much of a good thing is too much of a good thing? Learn more about multivitamins.

What are vitamins and how do they work?

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What are vitamins and how do they work? What is the difference between vitamin A and vitamin C, for example? If I don't get enough vitamins, what happens?

How does the sun affect people with dark complexions?

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How does the sun affect people with dark complexions? Visit HowStuffWorks to find out how the sun affects people with dark complexions.

Is there a safe amount of sun?

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Is there a safe amount of sun? Visit HowStuffWorks to learn if there is a safe amount of sun.

Can Foods Really Bolster Your Immune System?

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It's something we hear or read a lot: Certain foods can help your immune system. But what does that really mean? And is there any science behind it?

How Dietary Supplements Work

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There's a lot of information (and misinformation) out there about dietary supplements. Learn the facts about them in this article at HowStuffWorks.

Nutrition for Seniors

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Nutrition for seniors can be confusing as some nutrients become more important and others may become harmful. Learn how nutrition for seniors works.

Cod Liver Oil

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Cod liver oil can be used to treat many ailments and illnesses. Learn all about cod liver oil and other alternative medicines at HowStuffWorks.

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