Large case series and randomized trials over the past 25 years have consistently demonstrated thoracoscopic interruption of the sympathetic chain to be a safe and effective treatment of focal primary hyperhidrosis. The surgical technique has evolved toward less-invasive and less-extensive procedures in an effort to minimize perioperative morbidity and effectively balance postoperative compensatory sweating with symptomatic relief. This review summarizes available evidence regarding the surgical approach and the optimal level of interruption of the sympathetic chain based on a patient\'s presenting distribution of pathologic sweating.

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According to World Health Organisation figures, 30% of all cancer deaths, 20% of all coronary heart diseases and strokes and 80% of all chronic obstructive pulmonary disease are caused by cigarette smoking. Environmental Tobacco Smoke (ETS) exposure has also been shown to be associated with disease and premature death in non-smokers. In response to this environmental health issue, several countries have brought about a smoking ban policy in public places and in the workplace. Countries such as the U.S., France, Italy, Ireland, Malta, the Netherlands, Sweden, Scotland, Spain, and England have all introduced policies aimed at reducing the population exposure to ETS. Several investigations have monitored the effectiveness of these smoking ban policies in terms of ETS concentrations, human health and smoking prevalence, while others have also investigated a number of alternatives to smoking ban policy measures. This paper reviews the state of the art in research, carried out in the field of ETS, smoking bans and Tobacco Control to date and highlights the need for future research in the area.