8. Which of the following risk behaviors is NOT identified by the CDC as a leading cause of death and disability for people under the age of 24.
A. Tobacco Use
B. Drug Use
C. Physical Activity
D. Unhealthy Diet

answer; philip zimbardo;

its b i just took the test and i hit a it was wrong

exposure to hazardous carcinogens and toxic substances can cause breathing problems, such as copd and various types of cancer. it also increases the risk of heart attacks and strokes and has serious (but no less unattractive) side effects, such as aging, yellow teeth, a terrible smell and damage to the vocal cords.