This post might be especially useful for anyone with high blood pressure or elevated blood sugar levels. Recently I viewed a video of a very helpful talk by Dr Alex Wilber (PhD) & then saw how few views the video had on Youtube (only 21 views at the time of writing). Here is a basic mindmap summary of the talk. This is for learning purposes only & is perhaps an oversimplification.
A key takeaway for me was the importance of exercise! If you would like the bigger picture, with just some of its complexity, then I highly recommend you view the talk here: https://www.youtube.com/watch?v=FxVd5mwIFtU