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Health

Stress in middle age can make your brain shrink and make your memory worse، Harvard study finds

Saturday 27/October/2018 - 09:48 PM
Sada El Balad
Edited by Ahmed Moamar
Stress in middle age can make your brain shrink and make your memory worse، scientists have discovered، as the Daily Mail said.

The brain-reducing effects of stress، identified in people in their 40s free from dementia، were found to be triggered by cortisol.

The high levels of the stress hormone may be an early warning sign someone may end up with dementia، the research suggests.

Stress also made people's thinking skills worse، the Harvard Medical School study، published in the journal Neurology، found.
For the research، scientists led by Dr Justin Echouffo-Tcheugui studied 2،231 people with an average age of 49 and free of dementia.

He said: 'Our research detected memory loss and brain shrinkage in middle-aged people before symptoms started to show.

'So it's important for people to find ways to reduce stress، such as getting enough sleep، engaging in moderate exercise، incorporating relaxation techniques into their daily lives، or asking their doctor about their cortisol levels and taking a cortisol-reducing medication if needed.'

He added: 'It's important for physicians to counsel all people with higher cortisol levels.'

COULD MASTURBATION BREAKS HELP YOU COMBAT STRESS?
Instead of keeping the self-love strictly to your bedroom on lonely nights، you should think about doing it while you are at work.

Known as a 'masturbation break'، psychologists believes it could be a great way to combat the stress of your job.

Dr Cliff Arnall، a life coach based in Hay-on-Wye، Wales، said: 'I would expect a masturbation policy to result in more focus، less aggression، higher productivity، and more smiling.

'Certainly taking a masturbation break for boredom or an escape would increase work focus،' the Metro reported last year.

He warned، however، it could cause frustration if people take a long time to climax.

At the start of the study، each participant did tests on their memory and thinking skills. Then eight years later they repeated the exercises.

A subset of the group، 2،018 people، also had an MRI brain scan to measure the volume of their brain.

Once the results were adjusted for age، sex، smoking and body mass، researchers found lower scores on tests of memory and thinking in people with higher levels of cortisol than those with average levels.

In addition، people with higher cortisol levels had a smaller brain volume، with those with high cortisol having brains that were 88.5 per cent of the total cranial volume.

This was compared to 88.7 per cent of total cranial volume for people with normal levels of the hormone.

No links were found between low levels of cortisol and brain size.

Cortisol، produced by the adrenal glands، helps the body respond to stress.

It can also help reduce inflammation، control blood sugar and blood pressure، regulate metabolism and help with immune response.

High cortisol levels can be caused by stress، medical conditions or medications.

Dr Echouffo-Tcheugui said: 'Cortisol affects many different functions so it is important to fully investigate how high levels of the hormone may affect the brain.

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