what is beriberi disease
Beriberi is a disease of the nervous system caused by a person not getting enough thiamine (vitamin B1) in the diet. Thiamine is needed to break down food such as glucose.It is also found on the membranes of neurons. Symptoms of beriberi include severe lethargy and tiredness. person with beriberi. Beriberi is a disease of the nervous system caused by a person not getting enough thiamine (vitamin B1) in the diet. Thiamine is needed to break down food such as glucose. It is also found on the membranes of neurons.