Beriberi (also called lack of vitamin B1), beriberi is a systemic disease which was due to a lack of vitamin B1 in vivo . http://beriberi-disease.blogspot.com/2009/04/beriberi-is-caused-by-vitamin-b1.html
The longer a patient lives with a thiamine deficiency, the more severe the symptoms of beriberi. If untreated, beriberi is fatal. When treated with thiamine supplementation and a healthy diet, most of the symptoms of beriberi can be resolved.
Beriberi is a nervous system aliment caused by Vitamin B1 deficiency. The symptoms of Beriberi are, weight loss, depression, weakness, and pain. Possible solutions are to inject high doses of B1 into your muscles. Thiamine (Vitamin B1) can help prevent… Full Answer
Because so many foods in the United States and other western countries are vitamin enriched, beriberi is extremely rare. In developed countries, beriberi is primarily a complication of malnutrition secondary to alcoholism or gastrointestinal disorders.
The main experimental plan of the scientists when researching beriberi was to change the focus of the research. Originally it had been clinical treatments but was changed to lab-based experimental medicine.