Mountain biking is a growing cause of serious injuries. Young males are principally at risk and serious injuries result from intended activity and despite protective equipment. Injury prevention programs were developed to address these concerns.

No abstract

Serum y glutamyltranspeptidase activity was measured in 440 drivers at the time of arrest for driving under the influence of alcohol. The results were compared with information gathered by the arresting police officer. One third of drivers over the age of 30 had abnormal y glutamyltranspeptidase activities at the time of arrest. Among drivers who required a driving licence for their work, and older drivers, a disproportionately high number had raised y glutamyltranspeptidase activities indicating problem drinking. In drivers over the age of 30 a strong association was found between y glutamyltranspeptidase activities and road