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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Research by Swansea University showed one in 20 students had worked in the sex industry while studying for a degree.
Writing for ITV News, Dr Daniel Cooper says the world should not become complacent about Ebola and other problems affecting Sierra Leone.
Charities warn that sitting down too long can lead to health risks such as type 2 diabetes and cardiovascular disease.