I am 16 years old 12th grader student preparing for iitjee exm when I seat to study and after that when I move to stand etc. My whole body starts paining I study on floor and I have a small floor table (i don't have high desk table) also becoz of this pain i'm not able to make study routine and I get mentally affected what to do doctor (my diet is also not that good I am so thin) this all lead to ruin by mental and physical health.