JAMA : the journal of the American Medical Association
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To determine trends in gang homicides and the population at greatest risk for homicide by reviewing all gang-related homicides in Los Angeles County, California, from January 1979 to December 1994. ⋯ Gang-related homicides in Los Angeles County have reached epidemic proportions and are a major public health problem. To prevent gang violence, the root causes of violent street gang formation must be alleviated, the cycle of violent street gang involvement must be broken, and access to firearms must be limited.
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To assess the relationship between state driver's license renewal policies and fatal crashes involving drivers aged 70 years or older (seniors). ⋯ Tests of vision and knowledge for senior drivers at license renewal merit further attention as a means of improving senior traffic safety.