Early maturation is a problem for girls in the West because of cultural values about physical appearance

It seems that it is the rapid increase in hormone levels, not just high levels of hormones, which influence adolescent's moods

Indicate whether the statement is true or false.

Which of the following statements about amphetamine usage is FALSE?

a. Crystal methamphetamine leads very rapidly to compulsive abuse and severe drug dependence. b. Large doses of amphetamines can cause nausea, vomiting, extremely high blood pressure, fatal heart attacks, and disabling strokes. c. Amphetamines speed up the use of the body's resources and do not magically supply energy. d. Amphetamines are classified as hallucinogenic narcotics.