cent in mental tests and ability to deal with the causes of stress. Running actually builds new brain cells in the hippocampus, the region responsible for memory, which deteriorates from the age of 30. "It boosts blood flow – and in turn, oxygen
are characterised by non-rapid eye movement, while stage five is marked by rapid-eye movement (REM). Depending on age and how rested the individual is, REM and non-REM patterns cycle throughout the night about every 90 minutes. When brain waves are measured