I don't want to take any unnecessary risk when it comes to our health, and my wife especially is very conscious of what we put in our bodies (natural food ingredients, avoid certain chemicals, etc - she's starting a blog on her experiences/life with these topics - good stuff!).

This allows them to invest in communities that cater to their specific needs and allows them to get the health care they need in their own homes.Key Takeaways: In the near future, a quarter of the UK's population will be over 65.

I need to contact the county health department the realtor said, to figure out if I can put one of those all propane duplexes previously used for the Montana/North Dakota oil/gas workers, but in mint condition. 

Consider it is god sending message not to mess with a building to be banned by health dept.

Are these people with chronic health issues that eventually prevent them from being successful?

Even then, single or infrequent exposure is not going to do it, unless you already have other health issues.

Keep in mind, the plumbing topout includes the cost of the tubs, water heaters, and other rough fixtures.

You could get certified yourself but it's likely more trouble than it's worth. https://www.epa.gov/newsreleases/epa-enforcement-actions-help-protect-vulnerable-communities-lead-based-paint-health

Life or health will eventually get in the way of what you are able to handle today. 

The only potential issue is that it is a 1.5 bath house and the one full bathroom only has a tub with no shower.