One treatment that doesn’t go away in the ME/CFS community is mold avoidance. Jenn Brea’s excellent film Unrest (available on Netflix) goes over her unsuccessful experience with avoiding mold and the great lengths needed to avoid it. You have to avoid your house and all of your old clothes… so one way of testing for mold sensitivity is to rent a camper and live in the desert for several days.
While avoiding mold is a difficult lifestyle, some ME/CFS sufferers embrace it with open arms because it allows them to have a ‘normal’ life again.
Here’s one story of mold avoidance working for somebody: