Via well.blogs.nytimes NICHOLAS BAKALAR
It is widely known that being overweight or obese is linked to an increased risk for cardiovascular and other diseases. Now a new study has found that even in young adults of normal weight, increases in body mass index also lead to increased risk.
Researchers studied 12,664 young adults, testing them for 32 gene variants known to be associated with higher B.M.I., and assigning a “gene score” to each depending on how many of the genetic variants they carried. By studying such a large population, they were able to separate genetic tendencies toward weight gain from other variables that may contribute to being overweight, such as diet, physical activity levels and socioeconomic status.
Elevated B.M.I. and numerous blood indications of metabolic risk closely matched higher gene scores, strongly suggesting that higher B.M.I. alone causes the increase in cardiovascular risk factors independent of fatty food consumption, exercise, smoking and other variables. Read full article…
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