In the earliest days of the pandemic, Kathryn Bromwich, the writer and editor for London’s Observer newspaper, found herself shivering indoors. She and her fiancé both had Covid—which, in both of their cases, turned into long Covid.

Bromwich, who grew up in Italy and Austria and now lives in East London, was an avid hiker, the sort of person who climbed mountains in the Alps or Andes on vacation. But during her drawn-out recovery, it seemed as if she might never return to the mountains except through meditation.