For parents this statement can be alarming
University of Bergen, Bergen, Norway Ibrahim SO, Lillehaug JR, Dolphine D, Johnson NW, Warnakulasuriya KAAS, Vasstrand EN (2002) Mutations of the cell cycle arrest gene p21WAF1, but not the metastasis-inducing gene S100A4, are frequent in oral squamous cell carcinomas from Sudanese toombak dippers and non-snuff-dippers from The Sudan, Scandinavia, USA and UK
Breaking free from chewing tobacco is one of the best decisions you can make for your health
4) reinforce regulations preventing the sale of tobacco to children
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