We Still Don’t Know What Jumpstarts Puberty

Maybe you grew so fast it left stretch marks on your legs. Or your voice started cracking every time you got on the phone. Or you hated needing to wear a bra. Growing up means going through puberty. It’s an integral part of becoming an adult. But we still don’t know how our bodies start the process.

Source: We Still Don’t Know What Jumpstarts Puberty

A lot of people point to hormones in meat, dairy & eggs for precocious puberty – especially in girls – I don’t think that’s been proven at all.  But I have seen studies suggesting that girls without a father/father figure tend to undergo puberty earlier than those who do.