Helmets are 37 percent effective in preventing motorcycle deaths and 67 percent effective in preventing brain injuries caused by motorcycle accidents. ... However, research shows that helmets can significantly reduce the severity of injuries sustained from head trauma.
Do bike helmets actually help?
A major study of bicycle helmets from around the world showed that they reduced the risk of a serious head injury by nearly 70%. ... They found cyclists who wear helmets reduce their risk of dying from a head injury by 65% and that there is no correlation between helmet usage and neck injuries.
Do helmets really save lives?
The single most effective way for states to save lives and save money is a universal helmet law. ... Helmets reduce the risk of death by 37%. 2. Helmets reduce the risk of head injury by 69%.