India, May 25 -- Brain ageing is related to cognitive decline, which in turn diminishes essential cognitive functions like memory, critical thinking, and more. Brain ageing is also associated with neurodegenerative conditions like dementia and Alzheimer's. The scientific community is continuously trying to identify risk factors.

A study published in the journal Psychological Medicine has identified major depressive disorder's contribution to increasing brain age, showing how people with depression may have brains that appear older than their actual age.

Major depressive disorder, which is a clinical mental illness and not the same as a temporary low mood, alters the brain's structure. This accelerates brain ageing, making it appear much...