Department of Physiology conducted a CDE Programme on 16th November 2019 entitled as “How to hack your nervous system”. Dr. Vasugi, working as a Professor & Head in the department of Physiology, Priyadarshini Dental College, Chennai. She shared an ample knowledge on vagus nerve and also emphasized about natural technique to control vagal tone during stress condition and increased sympathetic activity. We hope that her experience would help our students to tune their vagal tone in their future and also improving their concentration level in their activity. The programme ended with an awarding session. Chief Guest awarded the students who secured top marks in their test I & II of the first year subject.