March 06, 2014We know that exercise makes us feel better and 'clears the mind' and recent studies have pointed out the benefits of exercise on mental stresses and work. Now, new research shows not only does obesity harm the brain, exercise may actually reverse those negative effects! Extensive research has indicated that sedentary, obese animals have lower memory and learning skills when compared to active, normal-weight animals. Recently, scientists have been trying to find out how excess weight affects the brain. Until recently, we thought that the brain was protected from excess weight ... after all, it contains no fat cells. But the research shows that obesity actually weakens the protection of the brain, allowing substances manufactured by fat cells to enter the brain. Additional research published in The Journal of Neuroscience found that as lab mice gained excess weight, larger doses interleukin 1, a substance know to cause inflammation, was found in their brains. Additionally, the mice had very low levels of a biochemical that helps support healthy synapse function. Researchers felt the results strongly indicated that fat cells were the main cause of the mice's cognitive decline in the study. The good news from new research is that simply introducing exercise into the mice's regimen gives substantial protection the bad effects of a sedentary lifestyle on the brain! This research adds on to what we already know:
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