Teeth chronicle infant diet
Enamel can reveal when children switched from mother's milk to solid foods
By Sid Perkins, 17:45 PM May 5, 2008
Chemical analyses of teeth, possibly including fossilized ones, can provide clues about the age at which a child was weaned, a milestone in life that may reveal information about how the human species and its predecessors evolved.
Unlike living bone, which contains a substantial amount of protein such as collagen, tooth enamel is about 98 percent mineral. Therefore, atoms in the enamel — especially those deep within a tooth — don’t tend to swap with those in the environment as they ...
Source URL: https://www.sciencenews.org/article/teeth-chronicle-infant-diet