Do you live in the world’s laziest country?
- Tuesday, July 11, 2017, 18:50
- Health
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Scientists use smartphones to track and rank activity levels around the world.
Source: http://www.bbc.co.uk/news/health-40570442
Scientists use smartphones to track and rank activity levels around the world.
Source: http://www.bbc.co.uk/news/health-40570442