The Effects Of Physical Exercise On The Brain Essay

The human brain is constantly changing where many new neurons are formed while others neurons die and new synapses are created while other synapses are removed (Spalding et al., 2013). Some dendrites will withdraw while other dendrites continue branching (Killgore et al., 2013). The processes driving the reshaping of the brain are neuroplasticity and neurogenesis. Neuroplasticity is the brain’s lifelong ability to rewire neural connections to compensate for diseases and injuries or in response to changes in the environment, whereas neurogenesis is the ability to create new neurons and neural connections. This dynamic process of remodeling gray matter is determined mainly by a person’s genetics and can slow down due to age (Denes, 2016). However, recent scientific evidence demonstrates other non-genetic factors that can significantly improve the development of the brain and slow down neurodegeneration (Kays et al., 2012). Physical exercise has always been linked to a per son’s physical health, but many recent scientific studies shows physical exercise can also keep a person’s brain sharp. Exercise affects the brain in numerous ways by creating a flourishing environment for brain growth, aiding the release of numerous hormones, and fighting against depression, stress, and anxiety. Neurodegeneration occurs from the shrinkage of the brain, specifically the gray and white matter. Gray matter in the brain is comprised of cell bodies, dendrites, and axon terminals of neurons,Show MoreRelatedThe Effects Of Physical Exercise On Brain Health1572 Words   |  7 PagesThe Effects of Mental Exercise and Physical Exercise on Brain Health Physical exercise does not only promote physical appearance and the body’s health, it also promotes brain health. The brain is a dynamic organ that replaces and repairs neurons throughout life. 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