An offer that appears beneficial on the surface, but can lead to unintended negative consequences is called a "perverse incentive".
Insurer John Hancock now requires customers to use activity trackers for life insurance policies. Here's how that will put life insurance and even mortgages out of reach for many people.
Gadgets that tell too many people to go to the doctor are a worry, but the growing enthusiasm for health monitoring should be encouraged.
Heart-rate monitors can be accurate – as long as you don't move.
Wearables help regular people track their activity, but sophisticated technology can give deeper insights to elite athletes.
It's not just fitness trackers – mobile phones can reveal users' whereabouts too, even with location tracking turned off.
Fitbits and other trackers are just the latest iteration of the fitness industry's relationship with technology.
Research shows that people's social networks, employment conditions and life stages all impact their use of wearable devices. Understanding these factors can help you achieve your fitness goals.
Digital fitness trackers may look cool, but many teenagers don't want them in PE lessons.
Soon, wearable fitness devices will be able to diagnose diseases. Could that lead insurers to deny coverage to people based on their data alone?
Do fitness trackers work? For how long? And are they more than just a passing fad? We explore what you need to know about fitness trackers.
Forget high-end design and cutting-edge communication. The new Watch is a fitness device and heralds a shift for the company – from enabling self-expression to nudging users toward self-mastery.
We need children to get hold of their fitness levels - literally.
Fitbit and other wearable technology are good for keeping track of your personal fitness. But should they be used by school children?
To tackle obesity, the NHS is experimenting with financial incentives, dieting clubs and free exercise classes. But what about prescribing digital fitness trackers?
The UK government's move to electronically track criminals on parole shows how wearable technology can become a virtual prison.
While walking is a great way to get people moving, evidence has found the program doesn't target people who need it the most, and people swap high intensity exercise for more steps.
The human psyche loves a challenge as well as a pat on the back for achievement. Pervasive computing taps into these drives to 'gamify' aspects of life that are typically not games or even much fun.
They're flying off the shelves but here's what you need to know about whether fitness tracking devices work.
Wearable technology could help us manage our own health but separate us from our doctors as they drown in data.