What health advantage does cystic fibrosis confer on the person who has it? a. decreased risk for anemia b. decreased risk for tuberculosis c. decreased risk for type 1 diabetes mellitus d. decreased risk for typhoid

d. Decreased risk for typhoid.

Explanation:

Cystic fibrosis confers the advantage of decreased risk for typhoid. The reason for this low risk is that the typhi bacteria, which is responsible for typhoid fever, affects the body through intestinal absorption. In the case of people with cystic fibrosis, typhi bacterias do not enter the intestinal cells.