Sadly the finding that children, especially poorer children, suffer the most from air pollution isn't particularly surprising.
If you use one of the many apps to map your walking, jogging or cycling route then you could be giving away information that could be abused by others.
Studying how athletes' bones contort during exercise is helping scientists understand which exercise is best for maintaining healthy bones as we age.
Assuming your new ride doesn't burst into flames, should you worry about other health impacts of hoverboarding about?
The most common way to get around is also the most neglected.