STUDY FINDS 77% OF DIFFERENCE IN TWINS' BODY MASS IS GENETIC

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BBC - Becoming overweight as a child is more likely to be the result of
your genes than your lifestyle, claims a study. University College
London researchers examined more than 5,000 pairs of identical and
non-identical twins. Their American Journal of Clinical Nutrition study
found that differences in body mass index and waist size were 77%
governed by genes. . .

Identical twins have exactly the same genes, while non-identical twins
are genetically different, like brother and sister. However, because
they were born at the same time, and raised in the same household, they
can be assumed to have roughly similar upbringing in terms of food

http://news.bbc.co.uk/go/rss/-/1/hi/health/7230065.stm

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