If the object's material is not 'living' then this sets the material to 'living'.
If a living object's health is gone, then this restores it to 1.
For healing above 1 health, consider cast heal and there is some treasure dropped by living creatures in cow that may help you to gain health.
Reactions: This triggers the cpr reaction. Here's an example of something you can script into an object to react:
if target of cpr then thankyou; ##thankyou: getgender $actor; print "[$actor] stands up, dusts $him self off, and smiles towards [$init_obj], 'Thanks mate!'";
Note: When examining, double quotes appear as " so please adjust the above code accordingly in your script.