Brown is the author of four interview collections with controversial scientists and artists, two science fiction novels, and a health science book. Brown's scientific research has been in the areas of behavioral neuroscience, psychic phenomena,unusual animal behavior prior to earthquakes, and medical marijuana.

Brown has also written for many popular magazines and scientific journals, including Scientific American Mind, Nature Medicine, Wired, Tricycle, The Sun, Mondo 2000, High Times, Fate, Neuroscience Abstracts, the Journal of Parapsychology, Hustler, the International Synergy Journal, the Journal of Psychical Research, and Magical Blend. He is sometimes Guest Editor of the MAPS Bulletin--he has done a series of special theme Bulletins for MAPS (Multidisciplinary Association for Psychedelic Studies)--and is part of the Erowid Expert Network.