According to the World Wildlife Fund, if deforestation, or the clearing of trees, continues as it has been, 55 percent of the Amazon rain forest could be gone by 2030.Following are examples of Amazon rain forest animals that have already been affected by deforestation.(Mario Tama/Getty Images News/Getty Images).ccording to the World Wildlife Fund, if deforestation, or the clearing of trees, continues as it has been, 55 percent of the Amazon rain forest could be gone by 2030.
The three major causes of iron deficiency are: 1  Chronic or excessive bleeding. Long-term (chronic) bleeding is the most common cause of iron loss that leads to iron deficiency. 2  Decreased ability to absorb iron. Medicines that reduce stomach acids may cause iron absorption problems. 3  Insufficient iron intake.
Anemia caused by low iron - children. Anemia is a problem in which the body does not have enough healthy red blood cells. Red blood cells bring oxygen to body tissues. Iron helps make red blood cells, so a lack of iron in the body may lead to anemia. The medical name of this problem is iron deficiency anemia. Anemia caused by a low iron level is the most common form of anemia. The body gets iron through certain foods. It also reuses iron from old red blood cells. A diet that does not have enough iron is the most common cause.