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 a b c d

Explanation:

Controllable risk factors are actions or conditions a person can change. Drug abuse is a voluntary behavior an individual can stop or control. Pollution is an environmental issue managed at a societal level, not directly controllable by one person. Air is a necessary resource, not a risk factor. Heredity is an innate, unchangeable trait.

Answer:

A. drug abuse