"I learned that Extension Health in New York City is a longevity clinic offering an array of biohacks—peptide cocktails, plasma exchange therapy, infrared sauna sessions, methylene blue drips—used to craft individualized longevity blueprints; one client visits every six weeks for a full-body reboot that typically includes a nervous system reset and hyperbaric oxygen therapy, and credits the regimen with making him feel 'on the cusp of immortality.'" - Jen Murphy