Hi Anonymous, Yes, as far as I can see, there is currently relatively little hard evidence on the precise effects of different types or amounts of exercise on mental health and the brain. However there are some tantalising hints from rat research with equivalents of jogging, weight training and HIIT outlined in the last of the links I provided. I think it is an area of increasing interest. I think the bottom line is that all forms of exercise, movement and awareness are probably beneficial in different ways on the brain, and of course a healthy brain function can only be good for mental health. Like you, I've always had a gut feeling that exercise has a direct effect on mental health, so it is interesting to see research beginning to show that so clearly (similarly for food and stress levels). Thanks for your post. Best wishes, Sarah.

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