John Burn-Murdoch, writing in the Financial Times on 4th November 2022 (behind paywall) has shown that chronic illness has increased radically since the pandemic with almost 500,000 more people in the economically active age range of 16-64 not in the work force as a result. He proposes that long waiting lists are now a significant factor keeping some of them out. Of the various conditions Mental Health problems are most likely to keep people out of the work force permanently.