1. Health science and life science both focus on the study of different living things here on earth.
2. Life science generally seeks to answer the what, where, how and why of all living things, but health science focuses on the discovery, treatment and preservation of animals and human beings.
3. Life science looks into how different living things relate to each other, and the environment. Health science, on the other hand, focuses on applying the knowledge derived from studying plant and animal life, to treat and prevent many of the diseases that affect human beings.