Mixed results in game craze study

It has been hailed as a revolutionary way to get people moving, using smartphones to pursue cartoon creatures through city parks and streets on foot, instead of taking the car or metro.

But has Pokemon Go made people more active and healthy? A study on Wednesday reported mixed success.

In the first week of playing the game, people took 955 additional steps per day on average - equaling nearly half the World Health Organization's recommended physical activity level, researchers found.