• Lactose Intolerance FAQ

    Lactose Intolerance FAQ

    What is lactose intolerance? You’re lactose intolerant when your intestines lack a certain enzyme, called lactase, needed to digest lactose, the sugar in milk and other dairy products. Within 30 minutes to two hours of eating these foods, you may suffer cramps, gas, bloating, and diarrhea. Unfortunately, you can’t reverse lactose intolerance. But by making

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  • Latex Allergy

    Latex Allergy

    Just as the body becomes more sensitive to bee venom after multiple stings, sensitivity to latex can build with repeated exposures. For this reason, rubber industry workers and health-care professionals who frequently use latex gloves or other medical products containing latex are especially vulnerable.

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  • Leg Cramps During Pregnancy

    Leg Cramps During Pregnancy

    Why do I get leg cramps? Leg cramps are a common discomfort during pregnancy. It’s unclear exactly what causes these bothersome muscle spasms, though a number of different factors may play a role. It could be a simple case of overwork: The added weight of pregnancy means your leg muscles have more to support. Your

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  • Lice

    Lice

    If your child scratches a lot, especially around the back of the head or the ears, check for lice immediately.

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  • Licorice

    Licorice

    What is licorice? First of all, if you’re looking for the kind of licorice that serves as an herbal medicine, forget about the red and black sticks in the candy aisle. In the United States, so-called licorice candy is almost always flavored with anise and contains no actual licorice. Real licorice, which comes from the

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  • Lifestyle and Fertility

    Lifestyle and Fertility

    Humans are closely tuned to their surroundings – especially when it comes to making babies. Just as bears and elk wait for the right season to sire offspring, our bodies reach the peak of fertility only when conditions seem right for raising babies. If there’s any sign of illness, malnourishment, or an unhealthy environment, our

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  • Listeria

    Listeria

    What is listeria? Up to 10 percent of the people in the world have an unwelcome guest in their intestinal tract: a bacteria called Listeria monocytogenes. The listeria germ can also be found in soil, water, and the digestive systems of many animals. Like many other common germs, it has an unfortunate habit of showing

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  • Lupus

    Lupus

    What is lupus? Lupusmore technically known as lupus erythematosusis a systemic autoimmune disease. In other words, it’s a disease that happens when a person’s immune system starts a misguided attack through the body. It affects roughly 1.5 million Americans, mostly younger women. It strikes about nine times more women than men, and about 80 percent

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  • Lyme Disease

    Lyme Disease

    The vast majority of tick bites don’t end up causing Lyme disease — or any other illness. But with so many ticks out there, the danger is significant.

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  • Lyme Disease in Children

    What is Lyme disease? Lyme disease is an infection that your child can get if he’s bitten by a tick carrying certain bacteria. Doctors call it the “great imitator” because it mimics other diseases, making it difficult to diagnose; in addition, a blood test can’t confirm it until about three weeks following the bite. Left

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