"Gall camddefnyddio sylweddau gael effaith drychinebus ar unigolion a’u teuluoedd. Dyma pam ein bod ni yma yng Nghymru wedi ymrwymo i leihau’r niwed sy'n gysylltiedig â hyn. Ry'n ni'n buddsoddi £50 miliwn bob blwyddyn i fynd i'r afael â'r mater.
“Substance misuse can have a devastating impact on individuals and their families, which is why in Wales we are committed to reducing the harms associated with substance misuse. We invest £50 million each year in tackling the issue.