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Obesity as a risk factor for dementia?

Wolverhampton, GB – controlling weight in older age might help to prevent new dementia, a brand new study suggests. The analysis, led by the University of Wolverhampton, examined 38,219 participants and 4,479 dementia cases worldwide, through a scientific research and review.

Studies from younger and middle-age populations have demonstrated excessive weight will increase the danger of developing dementia. However, the contrary has been the case for many reported findings of overweight and obesity in older age, following a paradox on their beneficial impacts on reducing mortality.

Obesity key facts: 

  • Worldwide obesity has nearly tripled since 1975.
  • In 2016, more than 1.9 billion adults, 18 years and older, were overweight. Of these over 650 million were obese.
  • 39% of adults aged 18 years and over were overweight in 2016, and 13% were obese.
  • Most of the world’s population live in countries where overweight and obesity kills more people than underweight.
  • 41 million children under the age of 5 were overweight or obese in 2016.
  • Over 340 million children and adolescents aged 5-19 were overweight or obese in 2016.
  • Obesity is preventable.

From the research analysis, the scientists have found that being overweight and obese in older age doesn’t seem to be protecting factors for dementia, and may increase the danger of dementia within the later life, which is a piece of disturbing news.

Professor Ruoling Chen, the faculty member of Public Health and Medical Statistics and Lead of world Health and medicine analysis at the University of Wolverhampton, said: “Our work has implications for political opinions and public health observe. There isn’t any proof to support the recommendation of decreasing weight in older age for the purpose of preventing increased risk of dementia. However, we should always pay additional attention to older adults who lose weight, most likely thanks to chronic diseases, like developing dementia. 

“As suggested by these guidelines, maintaining normal weight from young to older ages is important, and public health prevention and intervention methods for tackling overweight and obesity should be sustained in older folks.”

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