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Overweight kids may stand the risk of dementia in old age, a 30-year study reveals
- Dementia is an umbrella term used to describe a range of progressive neurological disorders (those affecting the brain) which impact memory, thinking and behaviour.
- The rise — also seen in adults — has been blamed on junk food diets and sedentary lifestyles
- There is currently no cure for dementia, the umbrella term used to describe a range of progressive neurological disorders
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EKO HOT BLOG reports that overweight children may be more prone to getting dementia in old age, a 30-years-old research suggests.
Scientists studied 1,200 children, who they followed for 30 years, and found those who were overweight or unfit between seven and 15 fared worse on brain tests in their forties.
Dementia is an umbrella term used to describe a range of progressive neurological disorders (those affecting the brain) impacting memory, thinking and behaviour.
Scientists believe their enhanced cognitive ability could go on to shield them from being robbed of their memories in their old age.
Child obesity rates have soared over the past few decades, with up to one-third of youngsters fat by the time they start secondary school.
The rise — also seen in adults — has been blamed on junk food diets and sedentary lifestyles.
There is currently no cure for dementia, the umbrella term used to describe a range of progressive neurological disorders.
But there is no proven way to prevent memory loss either.
Staying healthy and exercising in middle age have repeatedly been linked to warding off dementia.
Fresh research, published in the Journal of Science and Medicine in Sport, suggests the protective effect could start even earlier in life.
Lead author Professor Michele Callisaya, of Monash University in Melbourne, said the findings supported public health strategies to cut childhood obesity rates.
‘Developing strategies… is important because it could contribute to improvements in cognitive performance in midlife,’ she said.
‘The study also indicates that protective strategies against future cognitive decline may need to start as far back as early childhood.’
This, she claimed, is ‘so the brain can develop sufficient reserve against developing conditions such as dementia’.
The study, which began in 1985, tested 1,244 children on how fast they could run a mile, how far they could jump, how fast they could sprint 50m, and how many push-ups they could do in 30 seconds.
The children also had their waist-to-hip ration taken to measure how fat or thin they were.
Participants were tested again between 2017 and 2019 when they were in their 40s — but this time for their cognitive ability.
Tests assessed their reaction time, memory and attention span.
Scientists found those who were fitter and thinner children scored higher on the quizzes looking at their processing speed and attention.
The authors said this was significant because a decline in cognitive performance in middle-age has been linked with greater odds of mild cognitive impairment and full-blown dementia in old age.
Being fit as a child is thought to improve cardiovascular health by keeping the blood vessels that feed the brain in good condition.
Figures this year showed the proportion of four-and five-year-olds who are obese jumped 46 per cent from 2019/20 to 2020/21.
Rates increased from one in 10 children being obese in their first year of school to one in seven.
In the US a fifth of children and adolescents between two to 19 years of age are obese.
The Alzheimer’s Society reports there are more than 900,000 people living with dementia in the UK today. This is projected to rise to 1.5 million by 2040.
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Current estimates are that about 5.8 million people in the United States have Alzheimer’s disease and related dementias.
Globally dementia cases are expected to triple by 2050, with 153million people predicted to be living with the condition within decades.
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