Sociology of law is a diverse field of study that examines the interaction of law with other aspects of society, such as the development of legal institutions and the effect of laws on social change and vice versa.
Autoimmune Gastritis â Pernicious Anemia. The immune system makes antibodies and other proteins that fight off infection and keep the body healthy. In some disorders, the body mistakenly targets one of its own organs as a foreign protein or infection. It makes antibodies against it and can severely damage the organ.
When the stomach does not make enough intrinsic factor, the intestine cannot properly absorb vitamin B12. Common causes of pernicious anemia include: 1  Weakened stomach lining (atrophic gastritis). 2  An autoimmune condition in which the body's immune system attacks intrinsic factor protein or the cells that make it.