A Southeast Asian tree is the source of kratom. It belongs to the coffee family of trees. It can be found in Africa and Southeast Asia. A substance called mitragynine, found in the leaves, has opioid properties similar to morphine. Both stimulating effects are produced when its leaves are consumed (in low doses). Kratom is a term used frequently to describe a natural drug that has stimulant and opioid-like effects. It allegedly affects opioid receptors. Kratom leaves are typically chewed or used to make tea; they are rarely smoked. Kratom works as a stimulant at low doses, boosting users'...