This is a starting point only. Please do your own research when adopting a new animal.
https://ronelrat.wixsite.com/ptarattery/mentorship
http://www.ratfanclub.org/tumors.html
https://www.animallama.com/rats/best-rat-cages/
https://www.happytailsmagazine.co.za/articles/health-matters/behaviour-related/rat-myths-debunked/
