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.
To affirm something is to give it a big YES or to confirm that it is true. The verb affirm means to answer positively, but it has a more weighty meaning in legal circles. People are asked to swear an oath or affirm that they will tell the truth in a court of law. Lawyers may ask people to affirm facts, and judges may affirm rulings.