Which of the following forces are associated with putting aspects of social life, including mental illness, under the boundaries of medical professionals?

Of the following, which would provide the strongest evidence for a genetic component to schizophrenia?

a. a higher concordance rate for fraternal twins than for other siblings b. a higher concordance rate for fraternal twins than for identical twins c. a high concordance rate among identical twins raised apart d. a high concordance rate among the general population

A television health reporter is conducting interviews for an upcoming segment on headaches. When she asks experts for the most frequent cause of headaches, what is she likely to be told?

a) Infection is the major cause of headaches. b) Allergic reactions are the most frequent cause of headaches. c) Headaches result primarily from altered electrical brain activity. d) The most frequent cause of headaches are factors other than organic disease.