Catherine de Lange

For over 30 years, Brazil has run one of the largest studies of a population since birth.

For many, the 2014 World Cup and 2016 Olympic Games represent missed opportunities to tackle health problems and inequality.

Physical activity has recently come to be seen as one of the best forms of medicine available. But how much do you need to do to reap the benefits?

Can a grand vision of 4,000 free public gyms overcome inequality and fight Brazil’s health crisis?