Short course: ‘Yoga aids people with irregular heart rhythm’

'Yoga aids people with irregular heart rhythm'

NEW YORK: Regular yoga classes could help people with a common heart rhythm problem manage their symptoms while also improving their state of mind, a new study suggests. According to the American Heart Association, about 2.7 million people in the U.S. have atrial fibrillation (AF), in which the heart's upper chambers quiver chaotically instead of contracting normally. The average heart rate of those studied fell from 67 beats per minute at the start of the study to between 61 and 62 bpm post-yoga.

'Fish stem cells may restore human vision'

TORONTO: Zebrafish, often used in genetics studies, may hold the key to repairing damaged retinas and returning eyesight to people, Canadian researchers say. University of Alberta researchers discovered that a zebrafish's stem cells can selectively regenerate damaged photoreceptor cells. According to lead researcher Ted Allison, geneticists have known for some time that stem cells in zebrafish — unlike those in humans — can replace damaged cells involved in many components of eyesight. This could have important implications for human eyesight.

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