The report is also expected to warn that research carried out in the 1960s and 1970s may underestimate the impact of today's cannabis since it is much more potent than the cannabis smoked then.
Great - the more potent it becomes the less one needs to smoke to get a buzz.
The report is also expected to warn that research carried out in the 1960s and 1970s may underestimate the impact of today's cannabis since it is much more potent than the cannabis smoked then.