During the Enlightenment, the slavery started to be faced by certain intellectuals as an unjust institution. In this manner, in some circles of scholars, they had contributed to the social sensitivity derivative of the humanity concept was extended to the slaves. This helps to understand the reason why, among the medical elite that acted in the colonies in America, have appeared authors that wrote texts to orient the elite of farmers to improve the treatment of their slaves, putting toghter the human feelings and economic interests.
Enlightenment; slavery; medicine and health