Different types of anemia and their causes include: 1  Iron deficiency anemia. This is the most common type of anemia worldwide. 2  Vitamin deficiency anemia. In addition to iron, your body needs folate and vitamin B-12 to produce enough healthy red blood cells. 3  Anemia of chronic disease.
The definition of infirm is being sickly or weak, or not strong in will or character. An old and sickly person is an example of someone who is infirm. When you cannot make or stick to a decision and are weak-willed, this is an example of being infirm.
Definition of affirm. 1  transitive verb. 2  1a : validate, confirm He was affirmed as a candidate.b : to state positively He affirmed his innocence. 3  2 : to assert (something, such as a judgment or decree) as valid or confirmed The court affirmed his conviction.