Revealed: How a can of DIET Coke makes your body store fat, rots teeth and affects you in the same way as cocaine within ONE HOUR. A UK pharmacist has shocked fizzy drink fans by releasing a step-by-step guide to the dramatic way a can of Diet Coke affects the body from 10 minutes after the first sip until an hour later.
For girls. puberty can start anywhere between the ages of 8-13 years (and sometimes earlier or later) but often the first changes happen around 10 or 11 years. For boys. the first changes often happen a bit later than they do for girls, somewhere between 10 and 15 years.
Time Frame. For girls, puberty usually begins somewhere between age 8 and 13. For boys, puberty usually starts anywhere between age 10 and 14. Puberty begins when the pituitary gland--a pea-shaped gland located at the bottom of the brain--releases special hormones that signal the gonads (boys' testes, girls' ovaries) to develop.