Which of the Following Is NOT True of Viagra and Other

Which of the following is NOT true of Viagra and other medications used to treat erectile dysfunction?

A) Viagra has emerged among college students and others as a party drug for recreational and casual sex.
B) Many studies have shown significant improvement in the partner's feelings of sexual desirability and satisfaction as well as her own sexual functioning when the man uses erection-enhancing medications.
C) Viagra has greatly increased general conversation and awareness about erectile problems.
D) Viagra was originally developed for diabetes.