The answer is B. conducting and funding medical research.
Explanation:
The main role of the National Institutes of Health(NIH) are as follows:
It provides leadership and guidance to initiatives aimed at enhancing the nation's health by conducting and promoting research .
In recognizing emotional, addictive and physical disorders.
Promoting fundamental creative innovations, innovative research strategies and their implementations as a basis eventually for health protection and its improvement.
Others option are incorrect because they are not related to given scenario
