One of the most common deficiencies is that in iron; about two to three millions of people suffer from the lack in iron in their blood and some develop the anemia hypo ferric or the iron-deficiency, which is the latest stage of this kind of deficiency. Those who are usually in high risk are children and women in fecundity periods. Until the 80-ties this phenomena was very common with babies and little children. Although iron was added to babies’ drops without testing the hemoglobin level contained in their blood, the deficiency was still evident. Lack of iron in nursery may cause strange behavior and irreversible damages to the nervous system. Kids who suffer from this deficiency would later have studying difficulties. There is more that one reason for this deficiency and there are diseases that might cause it regardless to the way you eat. One of the latest discoveries is that the infection with the germ called Helicobacter pylori also causes iron deficiency. What I would suggest is to do a blood test and see what are you lacking and why is that. Scientific result would help you chose the right treatment – sometimes it’s safer to rely on medicine than trying out a friend’s advise. Those who seem to experience the very same symptoms may suffer from something entirely different that you. Make sure to eat food that contains iron in it – apples, serials, etc. Right nutrition is much similar to a diet; though it does not always meant to help you lose weight. Lacks and deficiencies are the reasons for feeling weary and sleepy. General weakness can be very disturbing especially if you intend to attain an active life style. If any of the symptoms appear familiar to you, you should definitely get yourself checked! Remember, Health is the most important aspect of your life.