Examples include Iron deficiency anemia and pernicious anemia. As a supplement it is used to treat vitamin B12 deficiency including pernicious anemia. But its premise is flawed, arguments pernicious and methods disingenuous. The inadequate production of intrinsic factor also leads to vitamin B malabsorption and pernicious anemia. Treatment of gastritis that leads to pernicious anemia consists of parenteral vitamin B-12 injection. Werner syndrome and pernicious anemia can also cause premature graying. It is usually associated with pernicious anemia. The posterolateral spinal tracts are involved with neurological deficits seen in pernicious anemia. He was among the first to recognise that macrocytes were characteristic of pernicious anaemia. Bell had also been afflicted with pernicious anemia. The symptoms of pernicious anemia come on slowly. As a result, their work became a vehicle for these pernicious ideologies. The incidence of gastric carcinoids is increased in achlorhydria, Hashimoto's thyroiditis, and pernicious anemia. They did not reject foreign assistance altogether although regarded it as pernicious. The publication listed 9/11 conspiracy theories as "one of the most pernicious global myths".