• Aggression, Ages 6 to 12

    Aggression, Ages 6 to 12

    My child hits, kicks, and lashes out at other kids. Should I be concerned? Yes. Most children outgrow this kind of behavior by the time they enter grade school, because they’ve developed the language skills to express themselves in words and been socialized to feel that physical aggression is wrong and unrewarding. If your child

  • Alcohol and the Heart

    Alcohol and the Heart

    “God in His goodness sent the grape to cheer both great and small. Little fools drink too much and great fools none at all.” — Anonymous Ask a doctor about preventing heart disease, and you’ll hear a lot of clear-cut advice. Saturated and trans fat: bad. Smoking: very bad. Exercise: excellent. Ask a doctor about

  • Alcoholism FAQ

    Alcoholism FAQ

    Casual drinking is a common ritual in our culture — from campus keg parties, to a “beer and a dog” at the ballgame, to a nice bottle of wine on the dinner table. In countless advertisements, fun-loving youth frolic on the beach with beer cans in hand: To drink is to be happy, the tantalizing

  • Allergic Reaction: Severe

    Allergic Reaction: Severe

    What is anaphylactic shock? Anaphylactic shock, or anaphylaxis, is one of the scariest health emergencies a parent can face; it occurs when your child has a severe allergic reaction. When that happens, your child’s immune system mistakenly responds to a harmless substance as if it were a serious threat, triggering the release of histamine and

  • Allergies


    Allergies are a highly individualized form of misery. Some people turn into an itchy, drippy wreck whenever they’re around cats, while others can’t get within 100 yards of ragweed in the spring. Still others have allergies to food so severe that a peanut or other substance can send them to the emergency room with a

  • Allergies and Hay Fever (Child)

    Allergies and Hay Fever (Child)

    What causes allergies? Every human body carries an arsenal of chemicals to fight off bacteria, viruses, and other intruders, but sometimes these weapons backfire. If your child has allergies, she responds to things in the environment that are not invaders. The body produces antibodies, and when your child is exposed to the irritant a second

  • Aloe Vera

    Aloe Vera

    What is aloe vera? The aloe vera plant (Aloe barbadensis) is the source of two very different herbal products: aloe gel and aloe juice (also called aloe latex). Although you may hear the terms juice and gel used interchangeably, it’s important to know the difference. Aloe gel, the clear, jellylike stuff that oozes from a

  • Alzheimer’s Disease

    Alzheimer’s Disease

    Questions for You and Your Doctor

  • Alzheimer’s Disease: An Overview

    Alzheimer’s Disease: An Overview

    The first step to coping with Alzheimer’s disease is knowing what to expect. Every case is different, but the disease tends to follow a predictable downward spiral.

  • Amebiasis


    In the United States, returning travelers and recent immigrants from developing countries account for the vast majority of amebiasis cases.