What can cause the immune system to not work properly?
cigarettes Malnutrition burning coal Healthy food Exercise Good health Allergies Pesticides
A B C D E F G H
Malnutrition , particularly with lack of protein , can cause acquired immunodeficiency.
Something caused by malnutrition occurs when the immune system is not working properly
What can cause the immune system to not work properly? (A) cigarettes (B) Malnutrition (C) burning coal (D) Healthy food (E) Exercise (F) Good health (G) Allergies (H) Pesticides