MPs have called for measures to ensure employers and the benefits system are more sympathetic to people who suffer the mysterious condition.
Some experts still doubt it exists.
The Labour MP told how he became a sufferer in 1992, while he was a member of the Shadow Cabinet. Debilitating condition ME first appears with flu-like symptoms, but they do not go away and, in many cases, become worse. The main symptoms are debilitating fatigue, muscle pain, mental fogginess, painful lymph nodes and, frequently, stomach pains. The disease had eased after 20 months, he said. Benefits system attacked Liberal Democrat MP Paul Burstow attacked the benefits system's approach to the disease.