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  • Vitamin A

    Vitamin A

    Why do I need vitamin A? You’ve probably heard that the vitamins in carrots can help you see in the dark. That old tale is actually true — the beta carotene in carrots and many other vegetables is converted in the intestines to vitamin A (also known as retinol), and vitamin A is undoubtedly good

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  • Vulvodynia

    Vulvodynia

    What is vulvodynia? Vulvodynia is a puzzling syndrome in which women feel chronic pain in the vulva, which consists of the external genitals (including the clitoris, the pubic mound, and the labia). Women with the condition describe the pain as a burning, itching, rawness, or stinging, particularly during urination. This vulvar discomfort ranges from annoying

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  • Vomiting

    Vomiting

    Most children with vomiting have some stomach pain. But if your child’s pain seems severe, lasts more than four hours, or is located in the right lower abdomen, contact your doctor immediately.

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  • Valerian

    Valerian

    What is valerian? Valerian root (Valeriana officinalis) is an herb that has been used as a sleeping aid for more than 1,000 years. Many people (especially in Europe) still take it before going to bed. It’s also an ingredient in many over-the-counter sleep products in this country. Does it really help promote sleep? Several small

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  • Vitamin D

    Vitamin D

    Why do I need vitamin D? Vitamin D — also called the sunshine vitamin because your body makes it naturally when exposed to sunlight — is perhaps best known for its ability to help build strong bones. Children with a serious shortfall of vitamin D can develop rickets, a condition that deforms growing bones. But

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  • Viagra

    Viagra

    What does Viagra do? As you’ve no doubt gathered from the TV commercials, Viagra (sildenafil) is a drug used to treat erectile dysfunction (commonly called ED or “impotence”) in men who either can’t have or can’t maintain erections. On the market since March 1998, it is now available in generic form. It is one of

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  • B Vitamins: Folate, B-6 and B-12

    B Vitamins: Folate, B-6 and B-12

    Why do I need B vitamins? B vitamins are an important class of vitamins that help support your red blood cells and your nervous system. Some of the benefits are already well known. Women who are pregnant or planning to become pregnant need plenty of folic acid — also known as vitamin B-9, or folate

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  • Vaginosis

    Vaginosis

    What is bacterial vaginosis? Bacterial vaginosis, or BV, is an infection of the vagina that’s often characterized by itchiness and excessive discharge. Although it’s one of the most common vaginal infections, researchers don’t yet know how it’s spread. It generally affects women of childbearing age, but it’s also been found in infants, children with no

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  • Vaginal Discharge During Pregnancy

    Vaginal Discharge During Pregnancy

    What’s normal and what’s not

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  • Vaginal Dryness

    Vaginal Dryness

    What causes vaginal dryness? Chronic vaginal dryness, which results from less-than-normal lubrication in your vagina, is usually caused by changes in your estrogen level. Your production of estrogen may drop while you’re breastfeeding, for example; some women experience vaginal dryness all the time they’re lactating, but the problem disappears once breastfeeding stops. And just before

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