Question

Declining production of stomach acid and intrinsic factors increase the risk of ____________ deficiency among older adults.

Answer 1

Vitamin B-12.

Step-by-step explanation:

Vitamins may be defined as the chemical substances that are required in the diet in the minute amount. The deficiency of the vitamins can cause disease in the organism.

The decline in the production of intrinsic factors and stomach acid increases the risk of deficiency of vitamin B-12. This deficiency is mainly noticed in the older adults.

Thus, the answer is vitamin B-12.