A tenth of heart disease cases could be prevented by watching less television 

People may also snack more in front of the TV than when using a computer, while TV viewing tends to be prolonged, researchers said.

More than one in 10 cases of heart disease could be prevented if people slashed the amount of time they spent in front of the television, new research suggests.

Experts at the University of Cambridge said sitting around after a large evening meal — and snacking in front of the television — all increase the risk of ill health.