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看電視時間太長 患病風險更高

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Apart from working and sleeping, the thing Americans do the most is watch TV—5 hours a day on average. But all that time in front of the tube may up your risk of death, according to a review in the Journal of the American Medical Association.


Researchers analyzed eight previous studies looking at the effects of TV on health. Together, the studies followed more than 200,000 volunteers over about a decade of their lives, and controlled for other risk factors, like age and smoking. The take-home? For every two hours of TV per day, subjects had a 15 percent higher risk of heart disease and a 20 percent higher risk of developing type 2 diabetes. That translates to a city of a million people having 1760 extra cases of diabetes compared to a city of a million who watch two hours less TV per day.


Previous studies have associated other sedentary activities, like sitting at a desk, with health risks. But the researchers say there's something unique about TV. Not only are we not exercising, but we tend to snack while watching. The prescription, in this case, is simple, and side effects are rare: get off the couch.

 


相關漢語新聞參考:

研究顯示,每天花兩小時或以上閑暇時間看電視或是對著熒幕的人,患上心臟疾病和死亡的風險比一般人高出一倍。英國研究員分析了參與蘇格蘭健康調查的4512名成人所提供的數(shù)據,結果發(fā)現(xiàn),每天下班后還花兩小時或以上時間看電視、用電腦或玩電子游戲的人,面對死亡的風險比每天花兩小時以下時間在這些閑暇活動上的人高了48%。他們患上心血管疾病如心臟爆發(fā)的風險,也高了125%。


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