In severe cases, there is a brief period when symptoms subside. The fever then returns, and the heart rate is unusually slow. The skin turns yellow, and bleeding in the stomach causes so-called black vomit. These patients may recover, or they may become delirious * and go into a coma ...
An overview of autism is provided. History, prevalence and causes are described. The autism spectrum disorders (ASD) are developmental disorders defined by significantly abnormal social interaction, impaired communication and language abilities and a narrow pattern of interests. According to the Diagnostic...