1 9 5 5 ▁living ▁on ▁Isra eli ▁k ib but z ▁Ein ▁Ha Sh of et , ▁where ▁the ▁physical ▁labour ▁would ▁help ▁him . ▁ ▁S acks ▁would ▁later ▁describe ▁his ▁experience ▁on ▁the ▁k ib but z ▁as ▁an ▁" an ody ne ▁to ▁the ▁lon ely , ▁tort uring ▁months ▁in ▁S inc la ir ' s ▁lab ". ▁He ▁said ▁he ▁lost ▁ ▁from ▁his ▁previously ▁over weight ▁body , ▁as ▁a ▁result ▁of ▁the ▁health y , ▁hard ▁physical ▁labour ▁he ▁performed ▁there . ▁He ▁spent ▁time ▁trav elling ▁around ▁the ▁country , ▁with ▁time ▁sc uba ▁div ing ▁at ▁the ▁Red ▁Sea ▁port ▁city ▁of ▁E il at , ▁and ▁began ▁to ▁re cons ider ▁his ▁future : ▁" I ▁wonder ed ▁again , ▁as ▁I ▁had ▁wonder ed ▁when ▁I ▁first ▁went ▁to ▁Oxford , ▁whether ▁I ▁really ▁wanted ▁to ▁become ▁a ▁doctor . ▁I ▁had ▁become ▁very ▁interested ▁in ▁ne uro phys i ology , ▁but ▁I ▁also ▁loved ▁marine ▁bi ology ; ▁. ▁. ▁. ▁But ▁I ▁was ▁' c ured ' ▁now ; ▁it ▁was ▁time ▁to ▁return ▁to ▁medicine , ▁to ▁start ▁clin ical ▁work , ▁seeing ▁patients ▁in ▁London ." ▁ ▁Medical ▁school ▁ ▁S acks ▁began ▁medical ▁school ▁at ▁Oxford ▁University ▁in ▁ 1 9 5 6 ▁and ▁for ▁the ▁next ▁two ▁and ▁a ▁half ▁years , ▁he ▁took ▁courses ▁in ▁medicine , ▁surg ery , ▁orth op a ed ics , ▁pa ed iat rics , ▁ne uro