Doctor's Orders: Jun. 13, 2005

THE SPRAY-ON TRUST-ME HORMONE

In a study of 200 students playing a game with real money, researchers found that the hormone oxytocin, applied as a nasal spray, increased a student's willingness to trust another player. While the finding may offer another clue to understanding social phobias--or even autism--the half-life of the spray is too short for use by used-car salesmen.

ADDICTED TO SLEEP

Three out of four prescriptions written for insomnia are for potentially addictive benzodiazepines, according to a new study in the journal Sleep. The reason may be financial: newer, nonaddictive drugs are pricier.

FITNESS FOR THE FAST AND FURIOUS

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