Philadelphia—One myth about many common diseases of adulthood is that they are caused by lifestyle alone. If adults would only behave themselves, refrain from smoking, eat right, and exercise, most of the chronic conditions that plague adults could be kept at bay, or so the thinking goes.
Lifestyle is undoubtedly important in the development and progression of diseases, but genetic factors also play a role in chronic diseases of adulthood, said Maren Scheuner, MD, MPH, of Cedars-Sinai Medical Center and the University of California, Los Angeles, School of Medicine, at the annual meeting of the American Society of Human Genetics.
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