HCHS90990 Download as PDF Dissertation Health And Human Science Gen Graduate HS - Harris Col of Hlth & Human Sci Overview Credits Requisites Subject code HCHSCourse Number 90990Department(s) Health And Human Science Gen Description Prerequisites: Six hours of HCHS 90980 and permission of instructor. A minimum of 6 hours of HCHS 90990 Dissertation is required.Career Graduate