How to pass drug tests

Nov 12, 1974 · The metabolic effects of my smoking ‘addiction’ especially interested me. I had learned that niacin was a derivative of nicotinic acid, and a few weeks before had bought a bottle of 100-milligram tablets as a possible dietary supplement. I had not yet lighted that day’s second cigarette (the last in the pack) when I got the bright idea of ... ................
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