John,an African American Student,has Chosen to Incorporate Exercise into His

John,an African American student,has chosen to incorporate exercise into his daily routine to prevent health issues.Based exclusively on his ethnicity,which of the following is the most likely basis for his decision?

A) high risk of developing lung cancer
B) high risk of developing elevated blood pressure and obesity
C) high risk of depression that leads to suicide
D) high risk of gallbladder disease