hello sir ,i am medical student name sai,i am doing my mbbs in china.sir my problem is i am getting little involentary muscle contractions(i think fasiculations)places like biceps,index figer,abdominal muscle,some time pectoralis major muscle and toe.i am not having proper food in china.is my diet is cause of it.is it due to weakness or or any other cause.plz reply me about this .thankyou sir.