Which of the Following Has Been Found by Research into Having

Which of the following has been found by research into having a social support system and physical health?

A) Women who have social support networks are more likely to get breast cancer screenings.
B) Men who do not have a social support system are more likely to suffer from alcoholism.
C) Paradoxically, adolescent girls with a social support system are more likely to develop an eating disorder.
D) Adolescents who have social support systems are less likely to engage in risky behavior, including drugs and unprotected sex.