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

Puberty normally kicks off at about ~~50kg~~; more childhood obesity and better nutrition = earlier puberty!

Edit: the theory has been updated to refer to BMI and body fat % rather than purely weight.

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