Nicotine is highly addictive, but new research is showing that psychedelics can shift people's worldview in ways to help them give up cigarettes. Tobacco is one of the toughest drugs to quit. The nicotine it contains is as addictive as cocaine and heroin – perhaps even more so. In surveys, around 70% of adult smokers say they want to quit. Yet of those who try, less than one in ten succeed in any given year. Evidence is growing, however, that certain psychedelic drugs might offer some people an