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.
More top news
Conservative leadership hopeful admits he "did everything possible" to avoid joining the race but claims he is the best person for the job.
Tiny New Zealand town with too many vacant jobs and affordable homes received 10,000 messages globally after putting out a call.
Commuters have been stopped in their tracks at the moving sight of hundreds of actors in First World War uniform up and down the country.