The nurse is discussing acne vulgaris with a group of adolescents. The teenagers make the following statements regarding the topic. Which statement is the most accurate regarding acne vulgaris?
a) "Sometimes I get acne when I use my sister's makeup."
b) "There is a new immunization that you can get to keep from having acne."
c) "My mom says I have acne because I eat too much chocolate."
d) "My next door neighbor told me that acne was caused by a fungus."