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Studying an Entire Lifetime

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?

Trapped by the Cold War and scarred after a failed revolution, Hungary fought one of its greatest battles against polio.

Artificial insemination is much more efficient.

Researchers are wading into the murky waters of animal psychology.

Buying a pig born to a humanely raised mama is harder than you’d think.

How have the farm animals of today been shaped by centuries of domestication and selective breeding? Sujata Gupta investigates.

In reporting about electrical brain stimulation, Emma Young of course had to try it for herself. Would it change her?