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Winston warns of stem cell 'hype'
By Jonathan Amos
BBC News science reporter, Dublin
The potential benefits of embryonic stem cell research have probably been oversold to the public, fertility expert Lord Winston says.
He fears a backlash if science fails to deliver on some of the "hype" around the cells - as he believes may happen.
He says the notion that a host of cures for serious, degenerative disorders are just around the corner is fanciful.
However, a Cambridge University stem cell researcher said he was certain the work would lead to clinical benefits.
Lord Winston believes some of the uncertainties need to be emphasised.