Hello welcome to Healthcare Magic pica is a preventable disease so don t worry. It may be due to some nutritional deficiency in the body like zinc or iron etc. It causes anemia and anemia leads to pica. so it is some type of vicious cycle. It may be due to some mental problems personally or in family. If any complication due to pica, should be treated first. After that, psycho social analysis is very important to rule out mental issues. Psycho therapy and behaviour therapy with simple medication will help you a lot. For low hemoglobin dietary changes are most important. Take green leafy veg in diet and also veg juices.use cereals with iron fortified. If you are non veg, eat red meat. Take lemon or orange juice or buttermilk half hour later after lunch and dinner. It will increase your iron absorption and thereby hemoglobin. If severe weakness and anemia. take daily 1 tablet of iron and folic acid for 3 months. Hope you will happy with this. Have healthy life ahead.... Take care...