Doctor Yusuf said the single pill, taken once a day, could reduce the average person's risk of heart disease and stroke by about half.

VOA: special.2009.04.08

Mr. CLARENCE SMITH (Jazz Pianist): And listen to you all, this is my parents' half stroke(ph).

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In the PGA Championship, the first and second place winners have averaged a difference of just 1.71 strokes less than half a stroke per day.

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Overall, he has averaged 29.0 a round during the season, his best by half a stroke since the stats were first compiled seven years ago.

BBC: SPORT | Golf | McGinley masterclass