👉 Human experimentation has often involved pushing ethical boundaries and exposing participants to significant risks or psychological discomfort, such as in the infamous Tuskegee syphilis study where African-American men were deliberately left untreated for syphilis without their informed consent. More recently, high-profile cases like MK Ultime (a brain-hacking drug study) highlight ongoing debates over safety, autonomy, and scientific ethics in modern experimentation.
