Linear enamel hypoplasias (LEH) are examples of periods of stress or disruption in a child's health where horizontal bands form on the teeth that can be examined macroscopically and represent a localized decrease in enamel thickness.
Anne L. Grauer, Professor of Anthropology at Loyola University Chicago, assessed the presence of porotic hyperostosis and periosteal reactions in the population (n=1,014) from St. Helen-on-the-Walls in York, England.