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7 Solid Health Tips That No Longer Apply

Are you taking a daily aspirin or multivitamin to stay healthy? Avoiding eggs and choosing no-cholesterol margarine over butter? Convinced that jogging will ultimately kill your knees? Advice that was once considered gospel truth among the medical community is now being questioned.

-- Christopher Wanjek
LiveScience's Bad Medicine Columnist

Christopher Wanjek is the author of the books "Bad Medicine" and "Food At Work." His column, Bad Medicine, appears each Tuesday on LiveScience.