Mae pobl sy'n cysgu allan ac sydd â phroblemau o ran defnyddio sylweddau yn fwy tebygol byth o gael cyflyrau anadlol a phroblemau iechyd sylfaenol eraill, sy'n eu rhoi mewn perygl mawr.
People who sleep rough and who have substance use issues are even more likely to have respiratory conditions and other underlying health problems, which put them at very high risk.