It is now online the Effects of Physical Exercise on Brain and Cognitive Functioning by Soledad Ballesteros, Laura Piccardi and  Joshua Oon Soo Goh, 

published in Frontiers  in Human Neuroscience, section Cognitive Neuroscience. 

It is an open access publication accessible to readers anywhere in the world. The special issue is focused on the effects of physical activity on brain and cognitive functions across the lifespan. A growing body of literature highlights how a physically active lifestyle is associated with reduced risk of dementia, better cognitive functioning, physiological changes in the brain and overall wellbeing.