For Christmas I am getting two 11-12 year old cockatiels, they are coming with a new cage. They have never been handled and currently have lived their entire lives in a smoking home, and they are on a seed only diet; their cage gets cleaned out once a year at the moment. Will they recover from the second hand smoking or will they have respiratory problems for the rest of their lives, and have their lives been cut short because of this? Will it be possible to tame them both or do I just need to let them live out the rest of their lives in the companionship of themselves?