This is the 1st lecture of NCERT Biology class 12th Unit VIII: “Biology in Human Welfare” Chapter No. 8 “Human Health and Disease”. In this lecture I have discussed on the topic Black bile hypothesis, Health, affect on health, maintenance of health and how to achieve good health etc.,<br /><br />*********************************************************************************************************************************************<br />https://biometricascienceclasses.blogspot.com/<br /><br />*********************************************************************************************************************************************<br />#HumanHealthDiseases <br />#NEETBiology <br />#CBSEBoardExam2020
