Your Hair Knows What You Eat and How Much Your Haircut Costs, via Utah Edu

19 January 2021

Millimeter by millimeter, your hair is building a record of your diet. As hair strands are built from amino acids that come from your food, they preserve the chemical traces of the protein in that food. It’s a strong enough record to show whether you prefer veggie burgers or double bacon cheeseburgers.

A study led by University of Utah researchers finds that this record reveals a divergence in diet according to socioeconomic status (SES), with lower-SES areas displaying higher proportions of protein coming from cornfed animals. It’s a way, the authors write, to assess a community’s diet and their health risks.

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Published by Paul Gabrielsen, on July 29, 2020

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