Covering everything from ancient herbs to cutting-edge chemicals, this new volume in the popular Milestones series looks at 250 crucial moments in the development of life-altering, life-saving, and sometimes life-endangering drugs. Describing the discovery and chemistry of drugs like alcohol, opium, hemlock, the smallpox vaccine, Xanax, and AZT, this lush edition also features the scientists, doctors, and companies who brought them to us.