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Macleans

Treating Schizophrenia

Inspired by the realization that schizophrenia is a biochemical brain disorder - and not, as doctors once believed, the result of family influences during childhood - a growing number of scientists are studying the disease.

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Biology

Biological studies of individuals and groups of organisms can occur at various levels (eg, molecular, cellular, anatomical, functional, behavioural, ecological and evolutionary).

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Scurvy

Scurvy is a disease caused by a dietary deficiency of vitamin C (ascorbic acid). The disease has occurred with regular frequency throughout human history and prehistory in populations lacking fresh foods, especially vegetables and meat.

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Moon

The dark grey lunar surface reflects only 7% of the sunlight it receives (comparable to the reflectivity of black soil). The moon is dominated by thousands of craters, ranging from microscopic pits to gigantic Clavius, diameter 230 km.

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Music Therapy

Music therapy. As defined by the Canadian Association for Music Therapy, music therapy is 'the skilful use of music to aid the physical, psychological and emotional integration of the individual, and in the treatment of an illness or disability.

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Internet in Canada

The Internet is a global network of computers that communicate with each other. This exchange happens through a set of rules called protocols. Since Internet use became widespread in the 1990s, the system has affected most aspects of life. It has had both productive and destructive effects. The Internet has changed the way Canadians learn and work, buy products and services, communicate and consume entertainment. Most people think of the Internet as the World Wide Web. However, it takes a number of different forms, including networked physical objects called the Internet of Things.

Click here for definitions of key terms used in this article.

Macleans

Depression

This article was originally published in Maclean’s magazine on December 1, 1997. Partner content is not updated.

The first serious bout was back in 1963, when he was attending Queen's University and, just before final exams, locked himself in his dorm room for two weeks.

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Nova Scotia Nautical Institute

The Nova Scotia Nautical Institute was an institute for seamanship training founded in 1872. It was common in England and Canada, which followed England in marine matters, to have people called "crammers" to assist mariners to pass their examinations, following apprenticeship on board ship.

Macleans

CANDU Reactor Deal Controversy

This article was originally published in Maclean’s magazine on December 9, 1996. Partner content is not updated.

Call it the Great Mall of China. Two years ago, Prime Minister Jean CHRÉTIEN led nine premiers and more than 400 business people on a mission to vastly expand trade with the world's most populous market.

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Health Policy

Canada's national health-insurance program (also called medicare) is designed to ensure that every resident of Canada receives medical care and hospital treatment, the cost of which is paid through general taxes or through compulsory health-insurance premiums. Medicare developed in 2 stages.

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Engineering

To some extent, the history of engineering is the history of humanity's progress in using tools and observations on the nature of matter to overcome physical limitations and to modify, harness and control the natural environment.

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Medicine Bundles

Medicine bundles (also called “sacred bundles”), wrapped collections of spiritually significant items, were the focus of most Indigenous spiritual rituals in the Plains region (see Plains Indigenous Peoples in Canada). A bundle might be a few feathers wrapped in skin or a multitude of objects such as animal skins, roots, or stone pipes inside a rawhide bag.

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Quarantine Act

Canada adopted quarantine legislation in 1872, five years after Confederation. It was replaced by the current Quarantine Act, which was passed by the Parliament of Canada and received royal assent in 2005. The act gives sweeping powers to the federal health minister to prevent the introduction and spread of communicable diseases. These powers can include health screenings, the creation of quarantine facilities and mandatory isolation orders. The Quarantine Act was introduced in the wake of the severe acute respiratory syndrome (SARS) crisis of 2003. It was invoked in March 2020 in response to the COVID-19 pandemic.