[The problem of tobacco addiction among high-school teenagers].

Tobacco addiction is a serious health and economic problem concerning the whole globe. High-school teenagers are a group of society whose habits, knowledge about harmfulness of smoking tobacco have an influence on future development. The aim of the thesis was to define the problem of high-school teenagers' addiction to nicotine.

[Tobacco and head and neck tumors].

Poland is the country in which the steady increase of falling ill and deaths of head and neck tumours has been observed in last 30 years. Larynx tumour occurs the most often among smoking people (inhaling the tobacco smoke) and the ones drinking alcohol habitually. As far as non-smokers and abstinent are concerned this illness is a very rare phenomenon.