The silica in the soil that has been eaten by a South African woman eat stop eat pdf 5th edition up as white on this plain X-ray. Otomacs ate large amounts of soil.
Slaves who practiced geophagia were nicknamed “clay-eaters” because they were known to consume clay, as well as spices, ash, chalk, grass, plaster, paint, and starch. The literature also states, “Many men believed that eating clay increased sexual prowess, and some females claimed that eating clay helped pregnant women to have an easy delivery. Several different rocks of clay-like material being sold at a local market in Kabwe, Zambia. These are usually purchased and consumed by pregnant women. Consumption is greatest among women, especially during pregnancy. In Haiti, people afflicted by poverty are known to eat biscuits made from soil, salt, and vegetable shortening.
These biscuits hold minimal nutritional value, but manage to keep the poor alive. However, long-term consumption of the biscuits is reported to cause stomach pains and malnutrition, and is not recommended by doctors. In the United States, cooked, baked, and processed dirt and clay are sold in health food stores and rural flea markets in the South. However, geophagia has become less prevalent as rural Americans assimilate into urban culture. File:Propithecus candidus ground feeding 001 small. Geophagia is widespread in the animal kingdom.
Greek philosopher and physician, was the first to record the use of clay by sick or injured animals in the second century AD. This type of geophagia has been documented in “many species of mammals, birds, reptiles, butterflies and isopods, especially among herbivores”. The preference for certain types of clay or soil can lead to unusual feeding behaviour. The parrots avoid eating the substrate in layers one metre above or below the preferred layer. These parrots regularly eat seeds and unripe fruits containing alkaloids and other toxins that render the seeds and fruits bitter and even lethal. The preferred soils surpass the pure mineral kaolinate and surpass or approach pure bentonite in their capacity to bind quinine and tannic acid. In the Manu River example cited above, the preferred soil bands had much higher levels of sodium than those that were not chosen.