Understanding the shift from plant-based to synthetic drugs

Synthetic drugs such as meth and fentanyl, manufactured entirely from chemicals, have fundamentally changed the illicit drug market. Read more: https://wapo.st/3Bupxdn. Subscribe to The Washington Post on YouTube: https://wapo.st/2QOdcqK Follow us: Twitter:   / washingtonpost   Instagram:   / washingtonpost   Facebook:   / washingtonpost