Exercise and The Brain Rough Draft Exercise and the Brain The good news is that is not the only benefits exercise has on the brain. Studies are showing that exercise also helps the brain to produce new cells, it helps the brain to produce nerve growth with hormones that enhances brain function and it does not stop there. This ability to cop with stress works by using adrenaline as a defense against the release of cortisol. Cortisol can destroy the brain. That is why the adrenal glands release adrenaline and other hormones that increase breathing, heart rate, and blood pressure. This helps to moves more oxygenated blood faster to the brain and to the muscles needed for fighting off the cortisol. Adrenaline causes a rapid release of glucose and fatty acids into your bloodstream. That is why your senses become keener, your memory sharper, and you are less likely to feel pain. With out exercise your body would not be able to respond as quickly and stress could cause damage to the brain for long term situations. Exercise has so many
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