That's a widespread myth. It's bullshit. The human brain changes very quickly from ages 9 to 13 then only gradually for the rest of your life.
Teens are inexperienced. They are often prevented from getting the experience they need to learn stuff, but the problem is segregation, not anything in their brains.
Teens are young adults. It's just basic biology.
It's frightening how many people just deny clear scientific fact.
