It is "vital" to improve education programmes to stop young children having to be treated for drug and alcohol misuse, charities have said.
A survey by Mentor UK, who works to protect children from drug and alcohol misuse, suggested youngsters are not getting enough information.
The charity's director of programmes, Andrew Brown, said:
"We think it is vital that alcohol and drug education improve. Our own survey of teachers suggests that at the moment delivery is inconsistent, and that the norm is to timetable only one or two sessions a year.
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