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:

• Drug abuse is a behavior an individual can choose to stop or avoid, making it controllable.
• Pollution is a large-scale environmental issue not easily controlled by an individual.
• Air is a necessary resource, not a risk factor.
• Heredity is an innate, unchangeable trait.

Answer:

A. drug abuse