Smartphone users are risking their health with device overuse

People are risking their health by working on smartphones, tablets and laptops after they have left the office, according to the Chartered Society of Physiotherapy.

It says people have become "screen slaves" and are often working while commuting or after they get home.

The society said poor posture in these environments could lead to back and neck pain.

Unions said people needed to learn to switch off their devices.

Read the full article here: http://www.bbc.co.uk/news/health-18490433