This means a lot of kids at school are taking amphetamines. It s no great surprise, then, that a black market in ADD drugs is springing up. And among many circles, use is almost as common as marijuana, particularly among young women trying to lose weight. Unfortunately, the result could be as serious as heart valve problems, breathing impairment, and even death. This website is full of perceptual illusions, interactive puzzles, and 3-D graphics.
Explanations are available both at a high level and at a more introductory level.
Dyre gets grant to reduce pilot workload. Some beginnings of word comprehension in 6-month olds. ADD drug infiltrates playgrounds. The McGraw-Hill Companies. All rights reserved.