The term “assistive devices technology” refers to the range of tools used by disabled people to interact more effectively with the environment. In the broadest sense, assistive devices include braces, splints, canes, crutches, walkers, wheelchairs, reachers, grab bars, powered hospital beds, communication systems, and even personal computers. Advances in assistive devices technology have a huge [...]

Ideas about the cause of lung cancer have been so dominated by recognition of the effect of smoking for the last forty years that it is sometimes easy to forget that there may be other important causal factors and that lung cancer still occurs in non-smokers. The effect of smoking is so strong that it [...]

The intensity level of your exercise should be strenuous enough that you feel you are working, but it need not be exhausting. Exercise physiologists describe exercise intensity in terms of percentage of maximal exercise capacity; the recommend an intensity of 50 to 80 percent of your maximal exercise capacity. You can determine the intensity of [...]