Researchers find that stable isotopes in hair reveal a divergence in diet according to socioeconomic status (SES), with lower-SES areas displaying higher proportions of protein coming from cornfed animals.
Your hair knows what you eat and how much your haircut costs
Researchers find that stable isotopes in hair reveal a divergence in diet according to socioeconomic status (SES), with lower-SES areas displaying higher proportions of protein coming from cornfed animals.