最近研究结果提示低血清胆固醇浓度与暴力原因致死，特别是自杀的危险性的关系。En－g6therp及Salter提出以5一羟色胺代谢作用来解释低血清胆固醇浓度与暴力原因致死的关系。根据这些观点，低胆固醇可伴有血清游离色氨酸降低。结果供应脑部的游离色氨酸减少，从而使脑部的5一羟 Recent findings suggest a link between the low serum cholesterol concentration and the risk of lethal violence, especially suicide. En-g6therp and Salter proposed 5-hydroxytryptamine metabolism to explain the relationship between low serum cholesterol and lethal cause of violence. According to these views, hypocholesterolemia may be accompanied by a decrease in serum free tryptophan. As a result, the free tryptophan supply to the brain is reduced, resulting in 5-hydroxylation of the brain