[null and void]

It was probably the high elevation. Loveland is officially 4982 ft above sea level and for all we know his house could be above 5000 ft.

Ummmmmmm, my house is at 5000 ft. Should I be dead already?

[Verginius Rufus]

No, your body must have successfully acclimatized to the high elevation.

Of course as a lawmaker he would have been forced to go to "mile high" Denver frequently, which is higher than Loveland.