If they are really well aware at the age of 12, 13, or 14, they may stay away from this more. If they decide at the age of 21 to take it, it will be their judgment and the damage will be less. But if they are already damaged in the brain at the age of 16, 17, 18, or 19, it will be for life. Our doctors in Canada are concerned about this damage.
On September 11th, 2017. See this statement in context.