Just three days before the sporting spectacle is set to begin, Tokyo public health expert Dr. Kenji Shibuya said the Olympic bubble system "is kind of broken." "Visitors, athletes, journalists ...

Asia is one of the few regions of the world where high salt intake is a leading risk factor for mortality, says Kenji Shibuya of the Tokyo Foundation for Policy Research, a Japanese think tank.

Just three days before the sporting spectacle is set to begin, Tokyo public health expert Dr. Kenji Shibuya said the Olympic bubble system "is kind of broken." "Visitors, athletes, journalists ...