Radio 4 in Four - Are we giving children the right message about drugs? - ÃÛÑ¿´«Ã½ Sounds

Radio 4 in Four - Are we giving children the right message about drugs? - ÃÛÑ¿´«Ã½ Sounds
Are we giving children the right message about drugs?
Is it enough to tell them to "just say no", or are there better ways to protect them?