Question

which of the following is a controllable risk factor of infectious diseases?
a. drug abuse
b. pollution
c. air
d. heredity
please select the best answer from the choices provided.
oa
ob
oc
od

Explanation:

Drug abuse is a behavior that can be controlled through personal choices and interventions. Pollution (B) is a broader environmental issue not directly controllable by an individual in the same sense as drug abuse. Air (C) is a natural element and heredity (D) is genetic and not controllable.

Answer:

A. drug abuse