Re: Are the causes of obesity primarily environmental? No

13 September 2012

Note from author: my statement "inactivity in children preceded increases in percentage body fat, but increased body fat percentage did not precede reduced physical activity"… is the wrong way around. It should read "inactivity in children did not precede increases in percentage body fat, but increased body fat percentage did precede reduced physical activity".

Apologies for this error and thanks to author of reference article Brad Metcalf for pointing it out.

Competing interests: None declared

Timothy M Frayling, Scientist

University of Exeter, University of Exeter

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