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.
Infirmity astheneia lit., want of strength (a, negative, sthenos, strength), weakness, indicating inability to produce results, is most frequently translated infirmity, or infirmities; in Rom 8:26, the RV has infirmity (AV, infirmities); in 2 Cor 12:5,9,10, weaknesses and in 2 Cor 11:30, weakness (AV, infirmities); in Luke 13:11 the phrase a spirit of infirmity attributes her curvature directly to satanic agency.