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Androstenedione Warning

As Mark McGwire established the single-season record of 70 home runs, reporters, sportswriters, columnists, and fans speculated about the possible role of the steroid, "Andro," in his achievement.

The Endocrine Society, representing the specialists who conduct hormone research and treat disorders of the endocrine system, wants you to know some important facts about androstenedione -- "Andro" for short.

Here's what we know:

Here's what we don't know:

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This article was obtained from The Endocrine Society, which is the oldest, largest, and most active professional organization devoted to research on hormones and the clinical practice of endocrinology. In August 1999, McGuire announced that he had stopped taking androsterone in April.

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