Watching less TV could reduce the risk of heart disease

Around 11% of cases could be prevented if screen time were cut by an hour a day, notes “The Guardian”.

Watching less TV reduces risk of heart disease

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Spending too much time in front of the television is bad for the heart. According to a study, more than one in ten cases of coronary heart disease could be prevented if people reduced their television viewing to less than an hour a day, reports the British daily The Guardian. “Reducing TV time should be recognized as a key behavioral goal for coronary heart disease prevention, regardless of genetic susceptibility and traditional risk markers,” said Dr. Youngwon Kim, assistant professor at the University of Hong Kong and author of the study.

Data for this work was collected from a sample of 373,026 Britons aged 40-69 with no heart disease or history of stroke when recruited. The study suggests – after taking into account the genetic risk of coronary heart disease, calculated for each participant, as well as factors such as body mass index, age, gender, smoking status, diet or the amount of physical activity – that the more television watched, the greater the risk of developing coronary heart disease.

16% lower risk

Researchers have thus determined that, compared to people who watched television four or more hours a day, those who watched it one hour or less had a 16% lower risk of coronary heart disease, while those who watched two to three hours a day had a 16% lower risk of 6%. About 11% of cardiovascular disease cases could be prevented if people reduced their television viewing to less than an hour a day, even taking into account genetic risk and other factors. A trend that is true at all ages. On the other hand, no link was found between computer use during leisure time and an increase in this type of pathology.

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