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Animal protein intake and hepatic steatosis in the elderly
  1. George Yizhou Tang1,
  2. Jake Peter Mann2
  1. 1School of Clinical Medicine, University of Cambridge, Cambridge, UK
  2. 2Department of Paediatrics, University of Cambridge, Cambridge, UK
  1. Correspondence to George Yizhou Tang, School of Clinical Medicine, University of Cambridge, Addenbrooke’s Hospital, Cambridge CB2 0SP, UK; george.tang{at}

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We read with interest the work by Alferink et al,1 which reports that intake of animal protein, but not that of monosaccharides and disaccharides, was found to be independently associated with non-alcoholic fatty liver disease (NAFLD). This is a surprising finding from a well-conducted cohort study that facilitated adjustment for metabolic covariates, in addition to sociodemographics and other lifestyle factors. However, we have reservations about the generalisability of these findings to patients with NAFLD or non-alcoholic steatohepatitis (NASH).

The studied population had an average age of 70 years, which is unusual for …

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