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
Establish state level regulations that require nursing homes to employ at least a set number of licensed and non-licensed nursing staff, often set in terms of staff hours per resident day
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.