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Physical activity is potentially beneficial in treating patients with nonalcoholic fatty liver disease (NAFLD) by ameliorating insulin resistance through weight loss. However, specific information is lacking on the amount, duration, and intensity of exercise needed to obtain benefits.
To investigate the relationships between both total amount and intensity of physical activity and severity of NAFLD, researchers retrospectively examined data from 813 patients (mean age, 48; 63% women) with biopsy-proven NAFLD from a multicenter clinical research database. Patients' leisure-time physical activity was assessed by questionnaire, assigned standardized metabolic equivalent (MET) values, and categorized as being of moderate (MET = 3 to 5.9) or vigo…