Old Drugs, New Concerns

Drugs old and new.

Old Concerns with New Distance Education Research

60 Distance educators who have gone through the process of designing, developing, and implementing distance instruction soon realize that the investment is great and the results of their efforts possibly tenuous. Ultimately, the question arises, “Does it work?” Unfortunately, to answer the question, many educators use a strategy of comparing distance courses with traditional campus-based course...

Old drugs - old people - new insights.

Dr. Dan Sitar was the recipient of the 2004 CSCP Senior Investigator Award at the First Canadian Therapeutics Congress held in June 2004. He presented a lecture highlighting some of the studies he participated in that have contributed to an increased understanding of the role of aging on drug disposition and effect.

Children and computers: new technology--old concerns.

Computer technology has ushered in a new era of mass media, bringing with it great promise and great concerns about the effect on children's development and well-being. Although we tend to see these issues as being new, similar promises and concerns have accompanied each new wave of media technology throughout the past century: films in the early 1900s, radio in the 1920s, and television in the...

New Ideas About Old Drugs

The nitrovasodilators are a diverse group of pharmacological agents that produce vascular relaxation by releasing nitric oxide. The mechanisms by which these compounds release nitric oxide vary, depending on their chemical structure. Compounds with lower oxidation states of nitrogen such as nitroprusside, nitrosamines, and nitrosothiols release nitric oxide nonenzymatically. In the case of nitr...