Saturday March 23, 2019

Regular Physical Exercise Can Help You to Prevent Dementia: Research

In the study, physical exercise led to stable cerebral choline concentrations in the training group, whereas choline levels increased in the control group

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Physical exercise is proven to be beneficial for Dementia patients. Wikimedia
  • Regular physical has a positive impact on brain metabolism
  • The findings showed that physical activity prevented an increase in choline – a very important macro-nutrient
  • Magnetic resonance tomography (MRT) and magnetic resonance spectroscopy (MRS) were used to measure brain metabolism and brain structure

London, July 23, 2017: Regular physical exercise not only enhances fitness but also has a positive impact on brain metabolism, researchers say.

The findings showed that physical activity prevented an increase in choline — a         macro-nutrient that’s important for liver function, normal brain development, nerve function, muscle movement, supporting energy levels and maintaining a healthy metabolism.

The concentration of this metabolite often rises as a result of the increased loss of nerve cells, which typically occurs in the case of Alzheimer’s disease, said Johannes Pantel, Professor at the Goethe University Frankfurt in Germany.

In the study, physical exercise led to stable cerebral choline concentrations in the training group, whereas choline levels increased in the control group.

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The participants’ physical fitness also improved. They showed increased cardiac efficiency after the training period. Overall, these findings suggest that physical exercise not only improves physical fitness but also protects cells.

To understand the positive influence of physical activity on the brain, gerontologists and sports physicians examined the effects of regular exercise on brain metabolism and memory of participants aged between 65 and 85 on movement-related parameters, cardiopulmonary fitness and cognitive performance.

The participants were asked to mount an exercise bike three times a week over a period of 12 weeks for 30-minute training sessions.

Magnetic resonance tomography (MRT) and magnetic resonance spectroscopy (MRS) were used to measure brain metabolism and brain structure.

The results showed that regular physical exercise seems beneficial in the prevention of cognitive impairment and dementia in old age. (IANS)

Next Story

Distress May Spike up Risk of Dementia

For the study, the team included 6,807 Danish participants aged 60 years on average

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Extreme distress increases risk for dementia: Study. Pixabay

Men and women who are distressed in midlife could be at higher risk of developing dementia in their old age, suggests a new study.

The study showed that vital exhaustion, which can be perceived as an indicator of psychological distress, is a risk factor for future risk of dementia.

Psychological distress is potentially linked to the risk of dementia through neurological and cardiovascular mechanisms.

The findings, led by researchers from the University of Copenhagen in Denmark, revealed that for each additional symptom of vital exhaustion, the risk of dementia rose by two per cent.

While participants reporting five to nine symptoms had a 25 per cent higher risk of dementia than those with no symptoms, those reporting 10 to 17 symptoms had a 40 per cent higher risk of dementia compared with not having symptoms.

However, the researchers are yet not aware of "exactly how anticholinergics might cause dementia", the researchers said.
Representational Image- dementia, Pixabay

Importantly, physiological stress response, including cardiovascular changes and excessive production of cortisol over a prolonged period, may also contribute to linking psychological distress with an increased risk of dementia, revealed the study published in the Journal of Alzheimer’s Disease.

“Stress can have severe and harmful consequences not just for our brain health, but our health in general. Cardiovascular risk factors are well-known modifiable risk factors for dementia, and in some countries, a stagnation or even a decreasing incidence of dementia has been observed,” said Sabrina Islamoska, postdoctoral student from the varsity.

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For the study, the team included 6,807 Danish participants aged 60 years on average.

Psychological distress is an important risk factor that should receive more focus when considering prevention initiatives in relation to later dementia, the team said. (IANS)