Home' Trinidad and Tobago Guardian : July 28th 2017 Contents A28 body & soul
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linked to better brain
function in older adults
Eating foods included in two healthy diets---the
Mediterranean or the MIND diet ---is linked to a
lower risk for memory difficulties in older adults,
according to a study published in the Journal of the
American Geriatrics Society.
The Mediterranean diet is rich in fruits, vegetables,
whole grains, beans, potatoes, nuts, olive oil and fish.
Processed foods, fried and fast foods, snack foods, red
meat, poultry and whole-fat dairy foods are infrequently
eaten on the Mediterranean diet.
The MIND diet is a version of the Mediterranean diet
that includes 15 types of foods. Ten are considered"brain-
healthy:" green leafy vegetables, other vegetables, nuts,
berries, beans, whole grains, seafood, poultry, olive oil,
and wine. Five are considered unhealthy: red meat, butter
and stick margarine, cheese, pastries, sweets and fried/
fast foods. Researchers examined information from 5,907
older adults who participated in the Health and Retire-
ment Study. The participants filled out questionnaires
about their eating habits. Researchers then measured the
participants' cognitive abilities---mostly on their memory
and attention skills.
The researchers compared the diets of participants to
their performance on the cognitive tests. They found that
older people who ate Mediterranean and MIND-style diets
scored significantly better on the cognitive function tests
than those who ate less healthy diets. In fact, older people
who ate a Mediterranean-style diet had 35 per cent lower
risk of scoring poorly on cognitive tests. Even those who
ate a moderate Mediterranean-style diet had 15 per cent
lower risk of doing poorly on cognitive tests. The research-
ers noted similar results for people who ate MIND-style
diets. (American Geriatrics Society.)
Psychopaths are better at
learning to lie, say researchers
with high levels
traits are better
at learning to lie
who show few
to a study pub-
lished in the open
that people with
high psychopathic traits may not have a 'nat-
ural' capacity to lie better,but rather are better at
learninghow to lie, accordingto the researchers.
Dr Tatia Lee and Dr Robin Shao of the State Key
Laboratory of Brain and Cognitive Sciences and the
Laboratory of Neuropsychology at The University of
Hong Kong found that after practising a task that
involved giving a series of truthful or untruthful
responses about whether or not they recognized
people in a collection of photographs, individuals
with high levels of psychopathic traits were able
to lie much more quickly than before practice. By
contrast, individuals with low levels of psychopathic
traits showed no improvement in their lying speed.
Dr Tatia Lee said: "The stark contrast between in-
dividuals with high and low levels of psychopathic
traits in lying performance following two training
sessions is remarkable, given that there were no sig-
nificant differences in lying performance between
the two groups prior to training."
Dr Shao added: "High psychopathy is character-
ized by untruthfulness and manipulativeness but the
evidence so far was not clear on whether high-psy-
chopathic individuals in the general population tend
to lie more or better than others. Our findings provide
evidence that people with high psychopathic traits
might just be better at learning how to lie." (BioMed
Anthony Perkins in the
movie Psycho. A recent
study finds individuals with
high levels of psychopathic
traits are better at learning
Eating Mediterranean and MIND-style diets is linked to better overall cognitive
function in older adults.
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