ethical dilemma
decision-making problem between two conflicting moral imperatives, neither of which is unambiguously acceptable or preferable
trolley problem
thought experiment in ethics
Goldman's dilemma
dilemma as to whether one should take a drug that would guarantee overwhelming success in sport but cause death after five years
lifeboat ethics
metaphor for resource distribution
red pill and blue pill
dilemma between painful truth and blissful ignorance
human challenge study
intentional exposure of test subjects to a pathogen to test a vaccine or drug