Exercise helps maintain and repair brain tissue. The brain is responsible for processing information from the sensory organs to the cognitive, emotional and even the memory centers. When it’s damaged, it can’t process the information and is unable to process memories and emotions. The effects of aging, stress, depression and other issues are greatly reduced when the brain is healthy and functioning properly. Exercise can help in restoring health and mental function for those who are already dealing with problems or have been affected by other issues such as disease.