Fast food based hyper-alimentation can induce rapid and profound elevation of serum alanine aminotransferase in healthy subjects.

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Conclusion: Hyper-alimentation per se can induce profound ALT elevations in less than four weeks. Our study clearly shows that in the evaluation of subjects with elevated ALT the medical history should include not only questions about alcohol intake but also explore whether recent excessive food intake has occurred.

http://www.ncbi.nlm.nih.gov/pubmed/18276725?ordinalpos=1&itool=EntrezSystem2.PEntrez.Pubmed.Pubmed_ResultsPanel.Pubmed_RVDocSum