Interfere with implanted cardiac devices 

Wearable fitness and wellness trackers could interfere with some implanted cardiac devices, according to a study.

Which? rubbishes expensive exercise gear

Some fitness trackers, including the Apple Watch are inaccurately measuring running distance, according to research from the consumer watchdog Which?

Chocolate teapots

Fitness devices are reasonable at monitoring heart rate but can’t track calories burnt to save their lives.