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الأحد، 7 يوليو 2019

Study: Obesity has increased three times since the 1960s because of the interaction between genes and the environment



Study: Obesity has increased three times since the 1960s because of the interaction between genes and the environment




Study: Obesity has increased three times since the 1960s because of the interaction between genes and the environment



NEW YORK (Reuters Health) - People who are genetically predisposed to obesity are not only at increased risk for weight gain, but their genes interact with an increasingly "obese" environment, leading to a rise in body mass index (BMI) in recent decades, according to a recent study by Norwegian researchers.



According to the Daily Mill website, the results also showed that BMI has increased for both genetically modified and uninitiated people since the 1960s, which means that the environment remains the major contributor to the obesity epidemic.



Obesity has tripled almost all over the world since 1975, but the origins of the epidemic are still unclear, and previous studies suggest there is interaction between genes and the environment.



Researchers in Norway have therefore begun to study BMI changes over five decades and assess the effect of the environment on BMI according to genes. Their findings are based on data from 118,959 people between the ages of 13 and 80, for those who replicated Length and weight measurements recorded between 1963 and 2008.



After taking into account the potential influencing factors, the data show a marked increase in BMI in Norway from the mid-1980s and mid-1990s. Moreover, compared to the older birth rates, those born after 1970 had a much higher body mass index puberty.

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