Despite the illegal status of psychedelic drugs, many Americans are already familiar with their effects. Yet while LSD and MDMA (better known as Ecstasy) have proven extraordinarily effective in treating anxiety disorders such as PTSD, they remain off-limits to the millions who might benefit from them. Through the stories of three very different men, award-winning journalist Tom Shroder covers the drugs' roller-coaster history. At a moment when popular opinion is rethinking the potential benefits of some illegal drugs, Acid Test is a fascinating and informative must-read.