Very brief article. Imagine people would click on the title though this is a bit misleading - it makes it sound like they are roaming freely across the county! Needs some links / referencing for further information - e.g. to the charity mentioned at a minimum.

An accessible and interesting article, with lots of relevant links to other articles and videos of interest. I thought it explained the scientific concepts clearly, and had an engaging style by introducing the history of the field. Perhaps the title is a bit alarmist and might make parents concerned (though the end of the article is more balanced on this).

The article summarises the finding of a peer-reviewed research study (and provides the link for this), and addresses an interesting question for public health. It could reference further work in this area to provide a more balanced overview of the topic. In general though it could be much clearer and more accessible to a general audience, e.g. the lifestyle and lifespan definitions are vague (e.g. what constitutes regular physical activity?), and more effort could be made to illustrate the impact of the % changes in terms of altered years (a figure would help).

A fairly clear overview of the topic, though I think the descriptions of techniques could be simplified and the article could focus more on providing a balanced overview of the potential benefits and concerns. Additional links to relevant articles and websites providing more information would improve it.