Is Obesity Genetic?

Decoding Obesity
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Automatic TRANSCRIPT

A lot of us still hold us misconception that obesity is all about willpower and self control. I know i have mentioned this. In the past as well and i just want to reiterate that obesity has been recognized as a chronic disease. A two thousand twelve online poll of eleven hundred forty three adults conducted by reuters and the market research from its source actually found that sixty one percent of the. Us adults believed that personal choices about eating and exercise what a sponsor for the obesity epidemic but interestingly the biologic cause of obesity was proposed as early as nineteen or seven as with other chronic diseases. That is a genetic competent obesity as well but before you started blaming it all on the jeans i do want to point out that this is certainly not the complete picture. Let's talk about the genetics. There have been various studies done on this to explore the genetic base of obesity. Quite a few landmarks were actually done before. We have the technology for genetic analysis. How were these studies done then. You might wonder well. These were done in twins ever wondered why identical twins look similar that's because genetically very similar fraternal twins on the other hand are not genetically similar. And that's why they also look different. So in nineteen seventy six. There was a scandinavian study conducted by 'em borgeson him to answer this question. How much of a role do genes play in obesity in children. The study design was simple and elegant. He enrolled forty identical twins and sixty one fraternal twins in his study. The twins that were selected for the study had at least one of the twins at one hundred fifteen percent of their ideal body weight. What makes this study. Really amusing is the fact that these two impairs had the same environment right from the womb. To the time they were studied what he found was that the head of the ability of obesity was anywhere between forty to sixty percent in one thousand nine hundred. Eighty six albertson card at the university of pennsylvania conducted another study proving this point further. He and his colleagues looked at danish adoption. Registry of five forty dollars the adoption records included the heights and the weights of the adoptees biologic and adoptive parents and when they analyze data and the looked at the bmi for both sets of the parents what they found was that despite having shared an environment within adoptive parents the adoptees bmi approximity those of their biologic parents rather than their adoptive parents. This study of course pointed to was the impact of jeans on obesity but did not provide any information on the extent of this

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