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Whether you believe Barak Obama is qualified to lead this nation or not, you've got to admit it's impressive for anybody to quit smoking during a prolonged and stressful presidential campaign.

Sleep: a functional enigma

Get ready for 24-hour life. A new drug, Modafinil, is now making it possible to have 48 hours of continuous wakefulness with few, if any, ill effects. The stories are compelling, as are the warnings. This could be the drug that amphetamines, ritalin, cocaine, caffeine and other stimulants have always tried to be. Has anyone tried it?