Tips to improve health,gain body weight - Online Doctor Chats

Doctor :   hi
Doctor :   how can i help you
User :   sir i need your help
Doctor :   sure
Doctor :   please go ahead with ur medical query
User :   im 21 year old my height is 5.8 ft but weight is only 54 kgs
Doctor :   ok
Doctor :   u want to gain weight isit
User :   i want to improve my health
User :   yes
Doctor :   sure i tell you how to gain weight, but i need this information before
Doctor :   For Administrative and health purposes, Please provide these details of the person-Age: Gender: Occupation: Location: Marital Status: Weight and Height
User :   21years,male,system administrator,single,54 kg & 5 ft and 8"
Doctor :   ok
Doctor :   i will calculate ur BMi or body mass index
User :   ok
Doctor :   Ur bmi is 18
User :   so
Doctor :   normal Bmi should be between 20-24.9
Doctor :   to gain weight
User :   ok
User :   what wiil i do
Doctor :   u need to consume more calories

Doctor :   and exercise