First, refer to different
1, health science: health science.
2. Life science: life science.
Second, the usage is different.
1, health science: the basic meaning of health health can refer to both physical health (good or bad) and mental health, which is an uncountable noun. Health can sometimes be used as a greeting, as an explanation of "I hope someone is healthy", as an uncountable noun or countable noun.
2. Life science: The basic meaning of life refers to the activities and growth of human beings or other organisms, which is different from the "life" of dead objects, rocks or other inorganic substances, and can also refer to all living things, that is, "living things". Life can also refer to "life, human existence" or human experience in life, that is, "life". Life can also mean "human life, life". Extension can refer to "life, life", "vitality, vigor" and "lifestyle"
Third, the emphasis is different.
1, health science: a discipline centered on human health.
2. Life science: study not only human beings, but also the origin of life.