NEW YORK (Reuters Health) - Regular exercise may improve depression symptoms in people who've failed to get better with antidepressant medication, the results of a small study suggest.
Maybe part of the explanation is that exercise/physical activity causes release of endorphins -- the safe, body-made morphine.
Gerry
That's part of it but I think the link below helps to explain another piece of the puzzle.
Quote:
Exercise has a similar effect to antidepressants on depression. This has been shown by previous research. Now Astrid Bj�rnebekk at Karolinska Institutet has explained how this can happen: exercise stimulates the production of new brain cells.