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Thiamine deficiency is a medical condition of low levels of thiamine (vitamin B 1). [1] A severe and chronic form is known as beriberi. [1] [7] The name beriberi was possibly borrowed in the 18th century from the Sinhalese phrase බැරි බැරි (bæri bæri, “I cannot, I cannot”), owing to the weakness caused by the condition.
Korsakoff syndrome (KS) [1] is a disorder of the central nervous system characterized by amnesia, deficits in explicit memory, and confabulation.This neurological disorder is caused by a deficiency of thiamine (vitamin B 1) in the brain, and it is typically associated with and exacerbated by the prolonged, excessive ingestion of alcohol. [2]
The enzymes that are dependent on thiamine pyrophosphate are associated with the citric acid cycle (also known as the Krebs cycle), and catalyze the oxidation of pyruvate, α-ketoglutarate and branched chain amino acids. Thus, anything that encourages glucose metabolism will exacerbate an existing clinical or sub-clinical thiamine deficiency. [15]
Thiamine deficiency and errors of thiamine metabolism are believed to be the primary cause of Wernicke encephalopathy. Thiamine, also called B 1, helps to break down glucose. Specifically, it acts as an essential coenzyme to the TCA cycle and the pentose phosphate shunt. Thiamine is first metabolised to its more active form, thiamine ...
Thiamine deficiency, in particular, is common in people with alcohol use disorder and can lead to a condition known as beriberi, which can damage the heart muscle. [4] Furthermore, chronic alcohol consumption can also lead to other cardiovascular risk factors, such as high blood pressure, high cholesterol levels, and obesity, which can ...
Iron deficiency anemia can intensify symptoms of fatigue and shortening of breath, and can cause cold sensitivity, hair loss, paleness to the skin and nail changes, says Cunningham. It has also ...
Diet is seen to be a modifiable risk factor for the development of dementia. Thiamine deficiency is identified to increase the risk of Alzheimer's disease in adults. [154] The role of thiamine in brain physiology is unique and essential for the normal cognitive function of older people. [155]
Jackie Galgey, 45, shares in a personal essay her experience with trigeminal neuralgia, also called the suicide disease, which caused her one-sided facial pain.