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    As support builds for both medical and recreational marijuana, WebMD examines what we really know about its effects.

    Desperate
    Measures

    Families move to Colorado
    seeking medical marijuana
    for their children.

    Marijuana Survey

    WebMD exclusive survey reveals attitudes toward marijuana.

    Is Marijuana Safe?

    The health effects of getting high.

    Marijuana vs. Alcohol

    Is one really safer than
    the other?

    Marijuana Map

    See where medical and recreational marijuana are legal in the U.S.

    Marijuana Poll

    Do you think marijuana is safer than alcohol?

    View Results