New legislation has been introduced banning so-called 'legal highs'. Its is now an offence to produce, supply, import or export the psychoactive substances. Anyone caught will face up to 7 years in prison. Legal highs contain one or more substances which provide a similar affect to illegal drugs. CHRIS LEE is a public health specialist for Lancashire County Council, responsible for drugs, alcohol and tabacco - he says evidence suggests people are realising more just how harmful the drug can be but that doesn't mean the overall use is going down...