Which test is described as blood flow rates in the brain are evaluated by means of radioactive tracers?

Research has indicated that men and women who have developed substance use disorders may be distinguished from people who did not on the basis of personality characteristics predating the substance abuse

a. True b. False Indicate whether the statement is true or false

Research subjects who drank in the company of others were more likely to report about physical changes related to drinking than were subjects who drank alone

a. True b. False Indicate whether the statement is true or false