Substance misuse affects people of all ages, including children and young people, both as a result of their own use and that of their parent/carer.
Mae camddefnyddio sylweddau yn effeithio ar bobl o bob oed, gan gynnwys plant a phobl ifanc, a hynny o ganlyniad i'w defnydd eu hunain a defnydd eu rhiant neu ofalwr.