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Less bystander resuscitation training also seen in the South, Midwest and West

One trial found gene tests help with standby med warfarin, another shows promise for newer drug

Small trial found the drug reduced blood clotting more when taken at night than in the morning

Response could signal vulnerability for alcohol-linked blood pressure trouble, study found

And white men more likely than women to undergo procedures to open up blocked arteries, study finds

One trial found gene tests help with standby med warfarin, another shows promise for newer drug

Small trial found the drug reduced blood clotting more when taken at night than in the morning