“Cannabis is still seen as a risk-free drug despite mounting evidence that it can lead to serious mental health problems, particularly amongst young teenagers, people with a family history of severe mental illness and in long-term users.” The charity called for the money to be spent on a massive public education campaign to inform users and potential users of the well-founded mental health dangers of using cannabis at a young age and over a long period of time. Rethink chief executive Cliff Prior told the committee: “Cannabis is still seen as a risk-free drug despite mounting evidence that it can...