Evaluates the risks to human health and the environment posed by n-hexane, a chemical isolated from natural gas and crude oil and used in food processing to extract vegetable oil from beans, nuts, and seeds. n-Hexane is also used as a solvent, a cleaning agent, in the rubber industry, and in the manufacture of pharmaceuticals. The opening sections review what is known about the behaviour of this highly volatile chemical in the environment and its metabolic fate in experimental animals and in the human body. A review of investigations in experimental ...

A cigar is a smoked-tobacco product made of cured and fermented leaves rolled into a cylindrical shape. Many types of cigars are available on the market today—they vary in size, shape, flavor, and type of filter and wrapper. These traits often determine the name given to each product. When the United States instituted a tax increase on cigarettes, smokeless tobacco products, and cigars in 2009 through the Children’s Health insurance Program Reauthorization Act (‎1)‎, consumption of some smoked-tobacco products rose. In fact, the higher cigarette/cigar ...