good evening doctor ,my name is sheela ,of 20 yrs old i am studing medicine course in bishkek ,every year i visit to india to see my family ,as i am having a big family my mother is having a plenty of work so i use to do all of the work ,daily i will wash so many clothes by sitting for 1hr and 30 mins due to this heavy work i got back pain i am not able to sleep straightly on bed so i am sleeping side ways .i neglected this pain,though i know the reason as it is my responsibilty to do for mom .after completing my holidays i came to bishkek right now i am here ,now i am not having heavy pain,but i will bend somewhat i am getting pain,and i am easily exhausting .and i am geting muscle pains heavily .plz say me how to relieve this pain ,hoe to become strong even after doing heavy work?what is the food i should prefer.