This will help achieve a reduction in the harms caused by drugs and alcohol to the individual and wider society, which includes the deterioration of physical and mental health.
Bydd hyn yn helpu i leihau'r niwed a achosir gan gyffuriau ac alcohol i'r unigolyn a’r gymdeithas ehangach, sy'n cynnwys dirywiad mewn iechyd corfforol a meddyliol.