In this podcast Tracy Herbert shares the importance of being thankful and why this helps many facets of health.

How gratitude helps with higher level of activity in the hypothalamus:
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4588123/

Study on those who kept gratitude journal:
https://www.psychologytoday.com/us/blog/prefrontal-nudity/201211/the-grateful-brain

Sleep, gratitude, and lower levels of depression and anxiety:
https://journals.sagepub.com/doi/abs/10.1177/1359105312439733

Link between depression and diabetes:
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4863499/

Forbes Magazine article on ways to get more gratitude in our daily lives:
https://www.forbes.com/sites/womensmedia/2016/07/08/8-ways-to-have-more-gratitude-every-day/#5b83c38f1d54

Importance of gratitude and brain health
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4588123/