Psilocybin, the psychoactive compound in “magic mushrooms,” could be administered to help treat post-traumatic stress disorder under a bill advanced out of an Iowa House subcommittee Tuesday.

In Oregon, a psilocybin session costs upward of $1,000. But some of Colorado's prospective healing center owners have ideas about other ways to offer their services.

Psychedelic mushrooms and their psychoactive compound psilocybin have the potential to treat people with depression and anxiety, including those unresponsive to other medications or therapy. The ...