Recent studies have reported an unexpected link between cannabis use and

a. severe mood disorders, including bipolar disorder.
b. the onset of some dementias, including Alzheimer's disease.
c. severe psychotic disorders, including schizophrenia.
d. the onset of some motor system disorders, including Parkinson's disease.

C

Psychology

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The EEG tracing of the patient in the sleep laboratory shows that brain waves have slowed to about 1 to 2 cycles per second. In addition, breathing and heart rate have decreased. It is most likely that the patient is

a. in stage 1 non-REM sleep. b. experiencing feelings of anxiety. c. in stages 3 and 4 of sleep. d. in paradoxical sleep.

Psychology

Which of the following factors is most likely to influence whether or not teens become sexually active across cultures?

A) Social factors B) Hormones C) Nutritional levels D) Levels of sex education

Psychology