Question

which of these health risks may be caused by sleep deficiency? a. allergies b. cancer c. lung disease d. immune suppression

Explanation:

Sleep deficiency can weaken the immune system. Allergies are mainly related to the immune - system's over - reaction to allergens not directly to sleep deficiency. Cancer and lung disease have multiple complex causes not primarily linked to sleep deficiency. Immune suppression is a well - known consequence of sleep deficiency.

Answer:

D. Immune suppression