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Although the brain is considered plastic and adaptable, aging is associated with specific dysfunctions of the brain network. However, aerobic fitness may play a role in attenuating age-related brain dysfunction.

Researchers from Beckman Institute, University of Illinois, recently published an article in Frontiers in Aging Neuroscience. What they found was that regular exercise in the form of walking significantly reduced age-related brain dysfunction after adhering to regular exercise for one year. The control group performed stretching and toning exercises with improvements in only a few areas of the brain, whereas the aerobic walking group had improvement in most parts of the brain.

The message is clear that regular exercise is crucial, not only for the body, but for the mind and cognition too.

Read an abstract of the article here.

Of the hundreds of thousands of runners that have participated in a marathon in the last three decades, over two-thirds have experienced severe and performance-limiting depletion of carbohydrate reserves, also called “bonking” or “hitting the wall”. As many as 40% of runners “hit the wall”, and many of these can’t finish the race due to a lack of energy for metabolic processes.

Researchers from Harvard Medical School in Boston, Massachusetts recently published an article in PLoS Computational Biology finding that muscle mass distribution, liver and muscle glycogen density and intensity (speed) all play a major role in the ability to complete a marathon.

The message here is that when participating in an endurance event, ensure that you have adequately trained your muscles and metabolic system. Fuel up before, during and after to ensure success and practice energy management and nutrient timing during your training sessions.

Read an abstract of the article here.