Who discovered the cause of Beriberi?

Player #18177342, deficiency of vitamin B1 / Thiamine, which can lead to muscle weakness, paralysis and heart failure.

So, what is the cause and what are the symptoms?

Beriberi, also called thiamin deficiency, is usually caused by poor diet or drinking too much alcohol. Beriberi is most common in places where people eat white rice as their main food because there's not enough other foods to eat.

Eijkman! Righteous discovery. It is work like his that makes us move forward.

navegar, more often too much alcohol these days. There is also a ginger extract that can cause polyneuritis

Player #18177342, The cause, polished rice. Trying to make all rice white and taking off the protective coating and stripping it of nutrients needed in the human body.