Many Java applications instantiate objects within the Java heap that are persistent but seldom if ever referenced by the application. Examples include strings, such as error messages, and collections of value objects that are preloaded for fast access but they may include objects that are seldom referenced. This paper describes a stack-based framework for detecting these “cold” objects at runti...

We know there are persons exposed demanding work schedules and sleep loss in almost every occupation or industry, but we still need better population-based information on how many sleepy or inattentive workers there are, where they are, and to what extent they are a risk to themselves or others. The absence of such information, however, does not prevent us from continuing to conduct worksite in...

Walking is an easy everyday activity that most of us do automatically. However, recently, walking has been employed by health promotion strategists to improve the health of the general public, and used therapeutically in settings such as psychiatric services (McDevitt et al 2005, Richardson et al 2005). Studies have demonstrated its physiological and psychological benefits in alleviating depres...

A case-control study of nasal cancer, based on death certificate statements on occupation in North Carolina counties with furniture-manufacturing industries, revealed a 4-fold excess risk linked to this occupation. Although woodworking exposures have been associated with nasal adenocarcinomas in several areas of the world, this is the first report of such a relationship in the United States.