For a fundamental appreciation of how the body affects mental state, see Robert Sapolsky lecture biology lecture. It doesn't talk of exercise specifically, but

For a fundamental appreciation of how the body affects mental state, see Robert Sapolsky lecture biology lecture. It doesn't talk of exercise specifically, but it leaves no doubt of the strong influence of the body on the mind (and vice versa). https://www.youtube.com/watch?v=NNnIGh9g6fA https://www.youtube.com/watch?v=NNnIGh9g6fA