Mae dros 500 o blant yng Nghymru yn cael cymorth er mwyn gweithredu ar gamddefnyddio sylweddau, tra bo mwy na 4,000 yn cael gofal a chymorth gan fod eu rhieni â phroblemau camddefnyddio sylweddau.
Over 500 children in Wales receive support for substance misuse, while more than 4,000 receive care and support due to their parents having substance misuse problems.