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Thursday
Jul122018

Study: Obesity Alone Does not Contribute to Early Death

July 12 (UPI) -- People who are obese but otherwise healthy do not have an increased rate of mortality, according to a study in Toronto -- conflicting with results of a major study in Europe.

Researchers at York University's Faculty of Health followed 54,089 men and women from five cohort studies through 2017. Participants who were otherwise healthy were compared with those with elevated glucose, blood pressure or lipids alone or another metabolic factor, including smoking status, ethnicity, age and lifestyle. Their findings were published Thursday in the journal Clinical Obesity. 

"This is in contrast with most of the literature and we think this is because most studies have defined metabolic healthy obesity as having up to one metabolic risk factor," said study leader Dr. Jennifer Kuk, associate professor at the School of Kinesiology and Health Science at York University. "This is clearly problematic, as hypertension alone increases your mortality risk and past literature would have called these patients with obesity and hypertension, 'healthy.' This is likely why most studies have reported that 'healthy' obesity is still related with higher mortality risk."

In March, a study was published of 296,535 adults of white European descent between 2006 and 2010. It showed the risk of heart attacks, strokes and high blood pressure increase as body mass index increases beyond 22-23 kg/m.

The study in Canada showed that dyslipidemia, hypertension or diabetes are related with a high mortality risk, but obesity alone doesn't fit into this situation.

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