What are the largest behavior-related causes of death in the united states? a. alcohol use and motor vehicle accidents b. illegal drug use and motor vehicle accidents c. tobacco use, poor diet, and inactivity d. infectious diseases and sexual behavior

C. Tobacco use, poor diet, and inactivity

Explanation:

According to a research by the National Research Council and Institute of Medicine, it was reported that most behaviour-related premature deaths in the United States are caused by factors that can be controlled.

The research revealed that, apart from the fact that other causative agents such as the auase of tobacco had significantly decreased, other neglected agents such as poor diet and inactivity were found to be increasingly cause premature deaths.