Answer:
Explanation: A researcher of diseases is a medical scientist who engages in conducting research to improve over all well being of human health.
There are various types and kinds of diseases a researcher or scientist conducts. Such researches include but not limited to infectioue diseases, rare diseases clinical research, neurodegenerative disease research, tropical diseases research, cancer research center and a host of others. There are also disease research and control centers all over the world where diseases researchers work. These researches provide insights and break throughs in tackling these diseases.
