Your hair knows what you eat and how much your haircut costs
Monday, August 3, 2020 - 14:01
in Biology & Nature
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.