Smygu sy'n achosi chwarter o’r holl farwolaethau canser yn y Deyrnas Unedig; mae'n gyfrifol am 80,000 o farwolaethau y gellir eu hatal bob blwyddyn yn ogystal ag afiechyd, anabledd ac anghydraddoldeb.
Smoking causes a quarter of cancer deaths in the UK; is responsible for 80,000 preventable deaths each year and is a leading cause of ill health, disability and inequality.