This fact sheet uses a question-and-answer format to summarize what is known about shaken baby syndrome, brain damage resulting from forceful shaking of an infant or young child. Questions and answers address the following topics: what shaken baby syndrome is and other names for the condition; the diagnosis of shaken baby syndrome; the incidence of shaken baby syndrome (approximately 50,000 each year in the United States); perpetrators (usually male) of shaken baby syndrome; disabilities resulting from severe shaking; medical, behavioral, and educational treatments; possible strategies to solve the problem of shaken baby syndrome; and the need to educate people about the dangers of shaking babies. A sample message to caregivers is given, for prevention of shaken baby syndrome through a three-step method for dealing with anger: "stop, calm down, try again." (DB)