Yes, its possible. What you can do is make a journal, and send it to advertisements? I can also make a group journal to advertise as well if that what you are asking? Sorry, I'm tired. I cant really think.
Yes they do. Turning grey/white is possible when a Lisk gets older, you can start seeing it around the head area on darker colored Lisks. Heath problems will appear at any time, its a way of life. No Lisk is perfect.