Scurvy Campaign had a lack of vitamin C in their diet which caused many of the soldiers to contract scurvy. It is thought that scurvy is one of many reasons that the Allied attack on Gallipoli failed. Vilhjalmur Stefansson, an arctic explorer who had lived among the Inuit, proved that the all-meat diet they consumed did not lead to vitamin deficiencies. He participated in a study in New York's Bellevue Hospital in February 1928, where he and a companion ate only meat for a year while under close medical observation, yet remained in good health. In 1927, Hungarian biochemist Szent-Györgyi isolated
Vitamin B12 deficiency Vitamin B12 deficiency Vitamin B deficiency, also known as cobalamin deficiency, is the medical condition of low blood levels of vitamin B. In mild deficiency a person may feel tired and have a reduced number of red blood cells (anemia). In moderate deficiency there may be inflammation of the tongue and the beginning of neurological problems including abnormal sensations such as "pins and needles", while severe deficiency may include reduced heart function and greater neurological problems. Neurological problems may include changes in reflexes, poor muscle function, memory problems, decreased taste, and in extreme cases psychosis. Sometimes temporary infertility may also