Use counseling, informational materials, etc. to inform smokers and non-smokers of the harms of secondhand smoke and encourage them to implement home smoking bans
Adopt laws that hold private property owners who provide alcohol to minors or obviously intoxicated individuals on their property liable if someone is killed or injured as a result
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.