Fitness apps found to make almost no difference to users’ health

Researchers studied a range of apps and found only one was effective, while others failed to spark improvements or made the problem worse

Meet the tech evangelist who now fears for our mental health

Belinda Parmar was a passionate advocate of the digital revolution – but has started keeping her family’s smartphones and laptops locked away to protect her loved ones. Is she right to be so worried?

Facebook admits it poses mental health risk – but says using site more can help

Company acknowledges ‘passive’ consumption of material can make people ‘feel worse’ but argues more engagement could improve wellbeing

Apple pushes organ donor registration for US iPhone users

Organ donation? There’ll soon be an app for that, after Tim Cook cites Steve Jobs’ ‘excruciating’ wait for a liver transplant in 2009 as inspiration for Health update

How to solve the problem of weekend working? Make the weekend longer

As the sanctity of lazy Sundays takes another blow, there’s only one thing left to preserve the magic of the weekend: take another day off. It’ll make us saner – and it’ll make us work harder as well

Google wants to count the calories in your Instagram food porn

Artificial intelligence technology Im2Calories aims to identify pictures of food posted to Instagram, and tell users the calorie count of their meals