David Staniforth is calling for warnings about the dangers of extended periods of gaming to be clearly displayed on the games packaging. He is seeking support for his campaign from the computer games industry.
His campaign follows the death of his son Chris from deep vein thrombosis - he used to play computer games for up to eight hours a day.
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The son of the Yorkshire Ripper's first victim has responded to a letter sent to ITV Calendar by the serial killer.
The former England cricketer reportedly suggested he would have a better chance of being knighted if he "blacked up".
The two-page letter addresses allegations that Sutcliffe attacked men before murdering 13 women