3 Teaspoons of Rio water is the reason an athlete can fail.

This report on water quality in Rio is damning. It’s saying that an athlete needs only drink 3 teaspoons of local water for disaster to strike.
Not only are some 1,400 athletes at risk of getting violently ill in water competitions, but tests indicate that tourists also face potentially serious health risks on the golden beaches of Ipanema and Copacabana.

The first results of the study published over a year ago showed viral levels at up to 1.7 million times what would be considered worrisome in the United States or Europe.