Scientists have found ___ chromosomal regions that are most likely related to Parkinson's disease, and ___ of those regions contain genes that can cause the disease on their own

Many teenagers respond with emotions rather than reason due to the maturity of the adolescent brain

Indicate whether the statement is true or false

Although early maturation is largely a plus for boys, there are drawbacks. All of the following are drawbacks to early maturation in a boy EXCEPT __________

a) greater difficulties in school b) higher risk of becoming involved in delinquency, possibly in the company of older boys c) greater likelihood of becoming involved in substance abuse d) earlier maturity in nonverbal cognitive development