Avoid undue stress in life as it may accelerate age-related changes in your brain. Researchers have found that aged rats with high levels of the stress hormone corticosterone (similar to the human stress hormone cortisol) showed structural changes in the brain and short-term memory deficits. 'Research suggests that how the body responds to stress may be one of the factors influencing how the brain ages' said Jason J. Radley from the University of Iowa. (Read: If you're stressed stay away from these foods!) In the current study appeared in the Journal of Neuroscience the team measured the amount of stress