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Alcohol is a sedative/hypnotic with effects similar to those of barbiturates.1 The type of alcoholic beverages consumed depends on the social context and financial capability. Alcoholic beverages may be in form of beer, wine, dry gin. Drinking alcohol is an activity that many people enjoy; taking a few drinks occasionally is generally harmless. Most people do not have problems as a result of drinking alcohol in this manner, although this may predispose to heavy use. Heavy alcohol consumption has been shown in observational studies to have a strong positive association with elevated blood pressure.2-4 Further evidence have been shown by clinical trials5,6 that have demonstrated that reduction in alcohol intake among individuals who drink heavily (i.e. three or more drinks per day) can lower blood pressure in normotensive and hypertensive men. Some studies have recorded a linear dose-response relationship sometimes starting with a consumption threshold of three drinks per day (30 g of ethanol).7-13 In others, the relationship has been non-linear especially in women, and some authors have speculated that ingestion of small quantities may reduce blood pressure.14-22 These discrepancies may reflect differences in investigational design, methods and populations.23 Many studies have been done in this area in developed countries like the United States, United Kingdom and Australia. This is however, not a commonly researched area in this part of the world. The aim of this study was to assess the relationship between alcohol consumption and blood pressure of drivers of commercial vehicles.
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