1. Violence and attack: Violence and attack are common factors that lead to personal injury, such as fighting, shooting and knife injury.
2. Accidents: Accidents such as car accidents, fires and explosions may also cause personal injury and health damage.
3. Natural disasters: Natural disasters such as earthquakes, typhoons and floods may also cause personal injury and health damage.
4. Drugs and alcohol: Long-term abuse of drugs and alcohol will cause serious harm to the body, including heart disease, liver disease and nervous system diseases.