Suspicions that marijuana use may be associated with stroke attracted new attention this month following case reports on more than five dozen pot users. The report(link opens in new window), published in the American Heart Association journal Stroke, stopped short of claiming proof of a cause-and-effect link, but the early conclusions still drew criticism(link opens…

Strokes caused by large blood clots in the brain are less likely to result in disability or death if the blockage is removed in the crucial early hours, according to reaffirming new research widely celebrated Wednesday. Doctors quickly lauded the findings as instantly changing the way certain stroke sufferers are treated. The reason is because…