The "pink" in chicken is actually myoglobin, the same protein that makes red meat red and dark meat dark. If you are concerned about whether or not your meat is safe to eat, use a thermometer like the @combustion.inc one that I used in this video. I'm not getting paid to say this, but it's designed by fellow food science video nerd @chrisyoungcooks so I wanted to share it with you. It's the only one I know of with a safe cook setting that actually does all the math for you and can tell you when