 How you fit dey prevent Diarrhoea Wia dis foto come from, Getty Images Wetin we call dis foto, Apart from diarrhoea, to dey wash hand well-well dey help prevent plenty disease Dis number 2 cause of pickin death for Nigeria na also one of di highest for di world, with about 103,000 death every year, according to medical study wey dem record inside The Lancet Infectious Diseases journal. 