Fast-food-based hyper-alimentation can induce rapid and profound elevation of serum alanine aminotransferase in healthy subjects
2008

Fast Food and Liver Health

Sample size: 18 publication 10 minutes Evidence: moderate

Author Information

Author(s): S. Kechagias, Å. Ernersson, O. Dahlqvist, P. Lundberg, T. Lindström, F. Nystrom

Primary Institution: Linköping University

Hypothesis

Does fast-food-based hyper-alimentation affect liver enzymes and triglyceride content in healthy individuals?

Conclusion

The study found that consuming a high-calorie fast-food diet can significantly elevate liver enzyme levels in a short period.

Supporting Evidence

  • Participants increased their weight significantly from 67.6 kg to 74.0 kg.
  • Serum ALT levels rose from 22.1 U/l to a mean maximum of 97 U/l.
  • Eleven out of 18 participants had ALT levels above reference limits during the study.

Takeaway

Eating a lot of fast food can make your liver work harder and show higher enzyme levels, even if you're healthy.

Methodology

The study was a prospective interventional study with a control group, involving 18 healthy participants who increased their caloric intake through fast food over 4 weeks.

Potential Biases

Participants were primarily medical students, which may not represent the general population.

Limitations

The study did not include liver biopsies to confirm the absence of hepatic pathology at baseline.

Participant Demographics

12 men and 6 women, mean age 26 years.

Statistical Information

P-Value

p<0.001

Statistical Significance

p<0.001

Digital Object Identifier (DOI)

10.1136/gut.2007.131797

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