Which of these is NOT one of the chief lifestyle factors associated with poor health and premature death in the US:

A) smoking cigarettes
B) alcohol and drugs
C) poor diet
D) social isolation
E) none of these choices.They are ALL listed by Brym and Lie as chief factors.

Lifestyle Factors

Elements and choices of daily life that can affect one's health and well-being, including diet, physical activity, alcohol consumption, and smoking.

Chief

A leader or head of a group, organization, or tribe, often holding authority and responsibility for decision-making and governance.