The controversial test on whether people are fit to work will be debated in the House of Commons today.
Speaking to ITV Daybreak, Simon Gillespie from the MS Society said that the criteria needs to be fitting for the task.
He added that people should be assessed in some way to ensure the benefits they receive are deserved.
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Across most of England and Wales it will be a clear, chilly night and Friday morning will start off cold but bright until cloud builds up.