Courses / HLTH HLTH · 6 coursesHLTH courses at Texas Tech University Browse course codes and credit hours in the official 2026–27 catalog.Official 2026–27 catalog · Checked 2026-11-05 Find a course in this subject Catalog courses HLTH 2302Environmental Health and Awareness3 credit hours HLTH 3301Epidemiology3 credit hours HLTH 3311Communicable and Chronic Diseases3 credit hours HLTH 4308Introduction to Biostatistics3 credit hours HLTH 4313Mental Health3 credit hours HLTH 4344Managing Stress3 credit hours