here are some discussions we've had on Afrezza, please add to them if you'd like to get more opinions
https://forum.tudiabetes.org/topics/fda-afrezza-press-release
https://forum.tudiabetes.org/topics/afrezza-an-ultra-rapid-acting-insulin-inhaled-insulin-onset-12
https://forum.tudiabetes.org/topics/what-if-you-could-get-insulin-without-needles