If I need golf strategies, I won't contact Tiger Woods about my heart health.

You can learn about by contacting the county mental health offices.  

Insurance has offered only to clean the clothing.My wife has serious health issues, particularly her compromised immune system,    and all but the most mild cleaners tend cause an allergic reaction.  

In the examples you provided environmental issues are caused possibly even health risks, I never heard of a bandit sign that killed somebody or put a hole in the o-zone layer.

Some cats dig in gardens to defecate and that can be a health hazard.

I'd figure this be in the "nuisance clause" being that it can be a health risk to myself and other tenants?

However, bad tenants can not only keep you up at night, but can cause harm to your health and well being.

Yet as far as I know, I am one of a very, very small number of landlords consciously trying to attract geriatric health care workers near geriatric facilities as tenants by targeting them in my advertising and giving them what they want.

Kroger- 21kChildren's Hospital 15.5kUniversity of Cincinnati 10.5kUC Health 11.2kMercy Health 10.4kGeneral Electric 10.5kCVG 12.5kProctor and Gamble is at 10k.

Moving out is the only logical conclusion.... you're not going to change them, and you need to focus on your health, which they dont seemed concerned with.