Why African-Americans begin puberty so much earlier than whites is a mystery.

This is especially problematic for Danny, who at age 12 has begun puberty.

This occurs because the female body will only take the step to begin puberty if there are available mates around.

Boys usually begin puberty between the ages of 10 and 15.

Childhood ends when a human being begins puberty.

Once a person begins puberty, they are required to perform salah and other obligations of Islam.

Some children begin puberty or are close to it before they are teenagers.

Today, girls begin puberty as early as 9, and menopause generally occurs around 50.