Ibogaine, a psychoactive compound derived from plants, is used by some African peoples for medicinal and ritual purposes. Identified in the early 1960s as having anti-addictive properties, it has been shown to cause sudden and complete interruption of heroin addiction—without withdrawal—in a matter of hours. Research suggests that it may also be useful in treating addiction to alcohol, methamphetamine, cocaine, and nicotine. Why is it banned in many countries? Discuss