A new study has established that stress can lead to brain shrinkage and worsening of memory in middle-aged people.
The study, which was conducted by researchers at the Harvard Medical School and published in the Scientific Journal Neurology, said that stress can reduce the size of the brain because of higher levels of cortisol — also known as the stress hormone.
According to the findings, people in their early 40s who suffered from dementia or weakening of memory had higher levels of cortisol in their body.
This led scientists to establish that stress and the resultant production of cortisol can be an early warning sign of dementia in middle-aged individuals.
Study author, Dr. Sudha Seshadri, who is a professor of neurology at UT Health San Antonio, said that the functioning of the brain, its size and memory can all be predicted by higher levels of cortisol, per a report by CNN.
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