Which of the following statements is true

Which of the following is a true statement? a. the male sex hormone is called estrogen. b. the female sex hormone is called testosterone. c. both sexes manufacture some amount of the sex hormone associated with the opposite sex. d. only males secrete testosterone and only females secrete estrogen

Viruses can cause the following, check all that apply. a. sore throat b. measles c. ear infection d. flu e. chicken pox

Which of these gives the best indication that a health service is based on pseudoscience?