长新冠的痛苦真相：脑训练疗法能否打破医学僵局？

There might finally be a way forward for long Covid treatment—if only you were allowed to talk about it. BY ALAN LEVINOVITZ NOTHING ABOUT LONG COVID ADDS UP. Consider prevalence rates: How could one study find it affected 3.3 percent of the population of the UK but others an alarming 51 percent of South Americans and 86 percent of Egyptians? Or treatment methods: The BMJ’s systematic review of ways to treat long Covid lists two as supported by moderate evidence, cognitive behavioral therapy and physical exercise. But if you attended the third annual Long Covid International Conference in Boston—as I did, late last year—you’d think the BMJ was encouraging medical malpractice. …