Health psychology

I need help with an assignment, must be 600 words. DUE: 10/31!! (Roughly 26 hours from now). The prompt is attached along with pages from the text and other helpful material. Please use references attached before using an outside source. 

Text: Health psychology, 5th edition. Richard Straub.

Link: http://www.ted.com/talks/elizabeth_pisani_sex_drugs_and_hiv_let_s_get_rational_1