If you've consulted a doctor because you've been feeling easily fatigued and weak lately chances are that you are asked to get a blood test done to assess your Hb or haemoglobin levels to figure out if you have anaemia. If your Hb levels turn out to be less than 13.5 gm/100 ml (if you're a man) and 12 gm/100 ml (if you're a woman) you have anaemia. While in most cases the reason may be nutritional deficiencies in iron and folic acid there are cases when anaemia may be just one of the symptoms of a bigger disease or