[Music] are you healthy see some of the time patient come to me and say the doctor I'm having unexplained breathlessness I'm not knowing why the shortness of breath is there I asked to perform a simple test which you can perform at your own to know whether you are healthy it is called as single breath count SBC single breath bre count you have to count the numbers in a single breath make it fast 1 2 3 4 5 6 7 8 9 10 like that if your single breath count is more than 45 then yes you are healthy this is a simple single breath count test [Music]