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Sedentary lifestyle cancels out heart benefits of having normal weight: Study

Press Trust of India  |  Washington 

Low levels of physical activity can put healthy weight adults at the same risk for as those who are overweight, a study has found.

"Our study demonstrates that a sedentary lifestyle counters the benefit of being at a normal weight when it comes to risk," said from in the US.

"Achieving a body mass index, or BMI, in the normal range shouldn't give people a false sense of confidence they're in good If you're not exercising, you're not doing enough," Mainous said.

The study, published in of Cardiology, found that 30 per cent of US adults at a normal weight are at increased risk of or

These adults had higher levels of belly fat, upon exertion, unhealthy waist circumference or less than recommended levels of physical activity, the researchers said.

"We have traditionally thought that people with a normal BMI are healthy and at low risk for heart disease, but increasingly we are finding that how much you weigh is not necessarily a measure of good health," said Mainous.

"Sedentary lifestyle markers may play a better role in predicting risk," he said.

The study focused on participants aged between 40 and 79 who did not have a previous diagnosis of coronary heart disease, or

Researchers examined participants' sagittal abdominal diameter, which is a measure of fat in the gut region, and waist circumference as well as self-reports on the amount of moderate to vigorous physical activity, the amount of time spent sitting and whether they experienced either when hurrying or walking up a slight hill.

In addition, researchers calculated of Cardiology and the American Heart Association, or ASCVD risk score, of participants.

The ASCVD risk score uses weighted variables, including age, sex, race/ethnicity, smoking status, status, cholesterol, blood pressure and blood pressure medication status, to calculate individuals' risk of having a or within the next 10 years. A score of 7.5 per cent or higher is considered high risk.

The researchers found the rate of high ASCVD risk score among people who are was similar to the rate among people who had a normal BMI, but had indicators of a sedentary lifestyle.

(This story has not been edited by Business Standard staff and is auto-generated from a syndicated feed.)

First Published: Mon, January 14 2019. 17:55 IST