About 50%, I should think.
The common ages for boys is from 10 to 13, and for girls is from 9 to 12. Earlier and later is very normal, too - as late as 17 or 18 for girls, and as early as age 8.
High. Puberty can start at age 15 or 16, too.
No. It will not influence the hormones in your body that regulate puberty. But, smoking will greatly enhance your chances of getting lung cancer.
by hiting
In girls, puberty starts at the age of 11-12 . in boys it starts at the age of 12-13. So no, 12 is not too early.
Everybody is different. It is perfectly normal not to have reached puberty by 13. Chances are, you'll reach it soon, though.
12-13ish, whenever you go through puberty or into puberty
No, birthday months have nothing to do with when Puberty begins for a boy. Most boys will begin puberty around the age of 10-12 years-old. Puberty lasts a few years.
Girls reach puberty earlier than boys at the age of 9-12 years. Boys reach puberty at the age of 12-14 years.
puberty
The main change is that the testis become larger in size. In females there is onset of menstruation.
Everybody hits puberty at a different age. 7-12 is the normal range for beginning puberty.
dude its no woory. i stated when i was about 12, but 13-14 is normal