______ has been associated with depression, sexual dysfunction, difficulty concentrating, and headaches in adults, and hyperactivity, conduct disorder, and aggressiveness among children and adolescents

Which of the following is a peak month for adolescents in a romantic relationship to have their first intercourse?

A. January B. March C. December D. September

The __________ is a device that takes advantage of the changing magnetic fields produced by the electrical activity of the brain to produce a record of neural activity in the awake brain.

A. neuromagnetometer B. magnetic resonance imaging scanner C. electroencephalograph D. transcranial magnetic stimulator