Kristy is a 21-year-old college student who is concerned about breast cancer because both her mother and grandmother developed the disease before the age of 55. current evidence shows that kristy can reduce her chances of breast cancer through a. engaging in all of these. b. regular physical activity. c. continuing not to smoke. d. continuing not to drink.

what statement best describes the difference between the sympathetic and parasympathetic nervous systems?

the sympathetic nervous system prepares the body for intense physical activity and is often referred to as the fight-or-flight response. the parasympathetic nervous system has almost the exact opposite effect and relaxes the body and inhibits or slows many high energy functions.