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Gene keeps fat people happier than skinny
ones
Thursday November 22, 2012 05:45:11 PM,
IANS
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London:
A specific gene could explain why fat people are happier than
their thinner counterparts, says a new research from McMaster
University, Canada.
Scientists have linked the "fat gene" with the "happy gene".
"Strictly" star Lisa Riley has recently said she is a "big, really
happy girl who is lucky enough to be confident in her own skin".
The FTO gene is the major contributor to obesity, but it is also
linked with an eight percent reduction in the risk of depression,
the Daily Mail reports.
McMaster researchers investigated the genetic and psychiatric
status of patients enrolled in the EpiDREAM study, led by the
population Health Research Institute, and analysed 17,200 DNA
samples from participants in 21 countries.
Results showed those with the previously identified fat gene FTO
showed significantly less signs of depression. These findings were
confirmed by analysing the genetic status of patients in three
additional international studies.
David Meyre, professor at McMaster, said: "We set out to follow a
different path, starting from the hypothesis that both depression
and obesity deal with brain activity. We hypothesised that obesity
genes may be linked to depression."
"The difference of eight percent is modest and it won't make a big
difference in the day-to-day care of patients. But we have
discovered a novel molecular basis for depression," added Meyre.
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