What is the study of ethical controversies in the areas of medicine and biology because of advancing technology?

The answer is bioethics. This umbrella science deals with the study and resolution of moral dilemmas stemming from the present and future applications of health-related sciences on humans.

Some of the fields under the reflection of bioethicists include: clinical ethics i. e. conflicts of interest in practice of healthcare; health policy i. e. healthcare as a public good; genetics i. e. the study of dna implications for reproduction; and neuroethics i. e. the boundaries of brain manipulation.