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Chewing linked to lowered dementia risk
Saturday October 06, 2012 09:00:37 AM,
IANS
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Stockholm: If you can
bite into an apple, then you are more likely to maintain mental
abilities and keep dementia at bay, according to a new research.
The older we become the more likely it is that we risk
deterioration of our cognitive functions, such as memory,
decision-making and problem solving.
Several studies have also demonstrated a link between not having
teeth and loss of cognitive function and a higher risk of
dementia.
One reason for this could be that few or no teeth makes chewing
difficult, which leads to a reduction in the blood flow to the
brain, the Journal of the American Geriatrics Society reported.
However, to date there has been no direct investigation into the
significance of chewing ability in a national representative
sample of elderly people, according to a Karolinska Institutet.
Now a team comprising odontology researchers and the Ageing
Research Centre (ARC) at Karolinska Institutet and from Karlstad
University have looked at tooth loss, chewing ability and
cognitive function in a random nationwide sample of 557 people
aged 77 or older.
They found that those who had difficulty chewing hard food such as
apples had a significantly higher risk of developing cognitive
impairments, independently of sex, age, education and mental
health problems.
Whether chewing ability was sustained with natural teeth or
dentures also had no bearing on the effect.
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