Teeth reveal past stresses such as menopause and imprisonment

Dental tissue is revealing in same way annual tree rings can tell much about environment tree grew in

Telltale signs of stressful life events can be found in our teeth, say researchers who have found that birth, menopause and even imprisonment appear to leave their mark in tissue that is laid down throughout life.

The phenomenon is similar to the way the thickness of annual tree rings can tell us about the climate and environment in which the tree grew – however in teeth it is changes to the way the tissue interacts with light that offers the clues.

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