Vitamin B12 helps the body make healthy red blood cells and helps keep nerve cells healthy. It is found in animal foods, including meat, fish, eggs, milk, and other dairy products. The most common cause of pernicious anemia is the loss of stomach cells that make intrinsic factor. Intrinsic factor helps the body absorb vitamin B12 in the intestine. The loss of parietal cells may be due to destruction by the body's own immune system.
The family system. According to Bowen, a family is a system in which each member had a role to play and rules to respect. Members of the system are expected to respond to each other in a certain way according to their role, which is determined by relationship agreements.
More. A person's family was originally the servants of their household. It then came to be âall the people who live in one house, including parents, children, and servantsâ, before it settled on its modern meaning. The word is from Latin famulus âhousehold servantâ, as is familiar (Middle English).oun (plural families). 1 [treated as singular or plural] A group consisting of two parents and their children living together as a unit: she moved in with her boyfriendâs family [as modifier]: the family home.