A year ago, hoping to dispel the postpartum gloom that had gripped me after I finished writing a book, I hiked into a forest near my home and pitched a tent under some pine trees. I spent that day and evening listening to the forest, scribbling in my journal, and thinking — all while under the influence of a psychedelic drug. The next morning I returned to my wife and children feeling better than I had in months.

Timothy Leary Revisited