▁scientific ▁study ▁of ▁e ugen ics , ▁whose ▁founder ▁Francis ▁Gal ton ▁had ▁been ▁inspired ▁by ▁Charles ▁Dar win ▁and ▁his ▁theory ▁of ▁natural ▁selection . ▁According ▁to ▁Gal ton , ▁society ▁was ▁prevent ing ▁natural ▁selection ▁by ▁helping ▁" the ▁weak ", ▁thus ▁causing ▁a ▁spread ▁of ▁the ▁" negative ▁qual ities " ▁into ▁the ▁rest ▁of ▁the ▁population . ▁ ▁Theory ▁of ▁the ▁Body ▁and ▁Sex ual ity ▁ ▁According ▁to ▁Fou ca ult , ▁the ▁body ▁is ▁not ▁something ▁objective ▁that ▁stands ▁outside ▁of ▁history ▁and ▁culture . ▁Instead , ▁Fou ca ult ▁arg ues , ▁the ▁body ▁has ▁been ▁and ▁is ▁continu ously ▁sh aped ▁by ▁society ▁and ▁history ▁– ▁by ▁work , ▁di et , ▁body ▁ide als , ▁exercise , ▁medical ▁inter vent ions , ▁etc . ▁Fou ca ult ▁presents ▁no ▁" theory " ▁of ▁the ▁body , ▁but ▁does ▁write ▁about ▁it ▁in ▁Dis cipl ine ▁and ▁P un ish ▁as ▁well ▁as ▁in ▁The ▁History ▁of ▁Sex ual ity . ▁Fou ca ult ▁was ▁critical ▁of ▁all ▁purely ▁bi ological ▁explan ations ▁of ▁phen omena ▁such ▁as ▁sexual ity , ▁mad ness ▁and ▁criminal ity . ▁Further , ▁Fou ca ult ▁arg ues , ▁that ▁the ▁body ▁is ▁not ▁sufficient ▁as ▁a ▁basis ▁for ▁self - under standing ▁and ▁understanding ▁of ▁others . ▁ ▁In ▁Dis cipl ine ▁and ▁P un ish , ▁Fou ca ult ▁shows ▁how ▁power ▁and ▁the ▁body ▁are ▁tied ▁together , ▁for ▁example ▁by ▁the ▁discipl inary ▁power ▁primarily