Might the Fat Gene Make You Fat If You Were Born After 1942 and Received Penicillin as a Baby?

January 14, 2015 6:54 PM

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Born before 1942? If you were and also carry the gene for obesity, relax. The gene won't make you fat. Born after 1943? Yes, the gene might have a definite impact on your size. A study using information from The Framingham Heart study looked at the link between the FTO gene for obesity and actual weight. The Framingham Heart study is an ongoing research project, started in the middle of the last century to monitor the health of people living in and around Framingham, a town about 30 miles from Boston. The study has been going on for so long that the adult children of the original participants and their children are part of the study. Although many of the original participants have died, their records are available so their health status for example, their weight, can be compared with measurements made on their children and grandchildren.

Researchers at the Massachusetts General Hospital in Boston wanted to see if people with the FTO gene became obese; what they found was unexpected. According to James Rosenquist, lead author on the study published in the Proceedings of the National Academy of Sciences, it depended on birth year. Tho...

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