Let people buy CGMs without a prescription, increase education about healthy habits from the point of view of minimizing glucose spikes [1][2], and the importance of metabolism for everything, including physical and mental health [3].
Yes, diet and exercise helps, but what you eat is also important, as well as when, and in what order. Once you learn about it (and have a CGM showing the effects in your body in realtime) you can't unsee it.
[1] Glucose Revolution, by Jessie Inchauspe https://www.amazon.com/Glucose-Revolution-Life-Changing-Powe...
[2] Brain Energy, by Dr. Christopher M. Palmer MD - https://brainenergy.com/
https://www.psychologytoday.com/us/blog/advancing-psychiatry...