Tooth truth: Human teeth tell the story of humanity through our fragile relationship with the sun
Date:
May 18, 2017
Source:
McMaster University
Summary:
Researchers have developed a new method to read imperfections in teeth caused by a lack of sunlight, creating a powerful tool to trace events ranging from human evolution and migration out of Africa to the silent damage of vitamin D deficiency that continues to affect 1 billion worldwide.
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https://www.sciencedaily.com/releases/2017/05/170518140323.htm
