I don't know why they feel obligated to throw in that little addendum at the end of medical articles.
"Tests indicate that splints and casts are very effective in helping to heal many long bone fractures, compared to not using them. However doctors emphasize that having proper diet and exercise are just as important to maintaining a healthy, fracture-free lifestyle."
Do a web search on health benefits of cinnamon.
Looks like it increases health risks.