Provide sterile injection equipment and often other treatment and referral services to people who inject drugs; also called needle or syringe exchange programs and needle syringe programs
Provide all students with the information and skills to prevent alcohol use; programs can be delivered via a specific curriculum or as a component of classroom behavior management
Restrict full contact between youth football players via limits to the number of contact practices, head hits per player, delay tackling until a certain age, etc.