my age is 21,i have been consistently feeling low after doing anything.....a few days back a severe pain in my knees appeared ... evn one day my foot swelled...i got so upset ..i went to doctor ..there was no fracture...then he took my blood n urine test ..everything else was okay except my hemoglobin it was 6.3... it cud be due to my upset routine bcoz of studies i used to ignore some meals n used o drink alot of green tea cups n waking up at nights but i feel i take a good meal now he prescribed me mutivitamins n iron tablets n a pain killer for knee pain ....but i m not evn satisfied now...like my main problem is knee...i dont feel the pain all the time but like walking around makes it difficult for my right leg to go smoothly...like i used to i feel stiffness on the left side of my knee..i dint know why is it so....n i want to ask that do excessive protein causes joint pain ...like in my knee...if yes should i stop eating protein like meat ...n do vitamins n iron would help me in recovering my knee stiffness n pain...my weight is 54 or sometimes 55 kg....height is 5.8 inch