Pubdate: Mon, 19 Dec 2016 Source: Telegram, The (CN NF) Copyright: 2016 The Telegram Contact: http://www.thetelegram.com/ Details: http://www.mapinc.org/media/303 Author: Andy Wells Page: B4 MARIJUANA - ONE PERSPECTIVE Part 1 in an occasional letter series exploring marijuana use and legalization The federal government has indicated that it will introduce legislation in the spring 2017 session of the House of Commons making the cultivation, sale and consumption of marijuana legal in Canada, to take effect in 2018. What can we expect in this braver new world of marijuana legality? In the vernacular, it will be legal to grow "weed" in Whitbourne and to have a "toke" in the confines of your own domicile. What is marijuana or, more properly, cannabis? With sufficient light and good soil, a single seed can grow to six to eight feet in a few months. Apparently, a few counties in Iowa could supply the entire Unites States. The plant can contain some 400 chemicals and accurate composition is difficult to predict. This raises an interesting question from a medical perspective. In the absence of chemical consistency, the concept of a dose is moot. There is no doubt that marijuana can have serious side-effects. There may be an addiction rate of nine per cent (perhaps higher in adolescents). There are concerns about its use during pregnancy. It can affect chronic psychosis and cerebral function. However, context is important. Nobody has died from a marijuana overdose (absent impurities). We live in a society that permits the autonomous individual to use alcohol and cigarettes, for example. Gambling and excessive consumption of sugar pose major health problems. Obesity, in combination with aging, poses a major threat to the viability of the health-care system. In fact, prevalence of obesity threatens to reverse the long established trend of increased longevity in advanced societies. Andy Wells St. John's - --- MAP posted-by: Matt