Why puberty starts earlier nowadays?

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I’ve seen a study which found that the age of puberty (especially female puberty) is dropping rapidly. In 1860 it started around 16.8 and in 2010 it was 10.8. Why is that? Is there any explanation?

In: Biology

39 Answers

Anonymous 0 Comments

I think it’s worth pointing out that those numbers are a tad bit misleading since the definition of when puberty starts has changed over the years. So the actual start of puberty was probably closer to 15 in 1860. It’s also worthwhile to note than this varied (and still does) by a lot between different countries. Often by several years.

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