Betel

Betel (португ. betel, from the Tamil vetilla) – the chewing mix exciting a nervous system which part green leaves of a betel (a bush from family Peppery), spices and spices, extinguished lime with tobacco addition, the pounded fruits of an areca palm tree are; it is used in Southeast and Southern Asia; has oncogenous effect.

 
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In Great Britain there is a law according to which the surgeon can refuse to do to the patient operation if he smokes or has excess weight. The person has to refuse addictions, and then, perhaps, he will not need an operative measure.