The first women’s movement in the mid-nineteenth century endorsed anesthesia during childbirth and some of the very patterns of obstetric practice that became anathema to the natural childbirth movement a century later.
AMA J Ethics. 2015;17(3):253-257. doi:
10.1001/journalofethics.2015.17.3.msoc1-1503.
Introduction of an intervention that reduces the perceived risk of a given behavior may cause a person to increase risky behavior—this is called “risk compensation.”