A type of fat found in processed food has been linked to memory loss in working-age men.
Trans-fatty acids, or trans-fats, used to improve taste, texture and shelf-life,
are known to be associated with an increased risk of heart disease
and there is pressure on food manufacturers around the world to remove them.
The new research found that consuming larger amounts of trans-fats
resulted in poorer memory in men aged 45 and younger.
resulted in poorer memory in men aged 45 and younger.
It showed that men whose diets contained the highest levels of the fats
were likely to recall 12 fewer words in a memory test than those who avoided them.
US lead researcher Dr Beatrice Golomb, from the University of California at San Diego, said:
"Trans-fats were most strongly linked to worse memory in men during their high productivity years.
"Trans-fat consumption has previously shown adverse associations to behaviour
and mood - other pillars of brain function.
However, to our knowledge a relation to memory or cognition had not been shown."
She added: "As I tell patients, while trans-fats increase the shelf life of foods,
they reduce the shelf life of people."
The team analysed data from 1,018 men and women
who were asked to complete a dietary survey and take part in word recall memory tests.
On average, men aged 45 and younger were able to recall 86 words in the tests.
But for each additional gram of trans-fat they consumed each day,
their performance reduced by a statistical 0.76 words.
This translated to young men being able to recall around 12 fewer words
if their trans-fat consumption matched the highest levels seen in the study, said the scientists.
The findings are published in the online journal Public Library of Science ONE.
Although the trend was only significant for men, this may only have been due to the small number
of women participants in the same age group, they pointed out.
The association was not seen in older populations,
possibly because it was masked by the effects of age on memory.
An announcement from US regulators yesterday means that most trans-fats
will be removed from American foods within three years.
The Food and Drug Administration (FDA) said partially hydrogenated oils (PHOs) –
the main source of trans-fats - are not "generally recognised as safe".
The move is likely to prevent thousands of fatal heart attacks each year, according to experts.
In Denmark, almost all trans-fats have been banned since 2003
but in the UK their removal depends on food manufacturers signing up to a voluntary scheme.
http://www.talktalk.co.uk/news/uk/article/trans-fats-linked-to-memory-loss/172579/
Dr. Michael Roizen, MD , Internal Medicine, answered
You can figure out if a food contains trans fat by doing a little detective work.
On the information label, find the total fat content. Then, subtract the saturated fat
and the mono and polyunsaturated fats. This leaves the trans fat.
So, for example, if chocolate chip cookies have 12 grams of fat per serving
and the label lists 4 grams of saturated fat, the cookies also have 8 grams of artery-aging trans fat.
Another way to tell is to look at the list of ingredients.
Another way to tell is to look at the list of ingredients.
A food label must list the ingredients in order of quantity, from most to least.
If hydrogenated or partially hydrogenated oils are listed early on the list and
before polyunsaturated or monounsaturated oils, you know the product contains lots of trans fat.
If the label lists unsaturated or monounsaturated oils, olive oil, or canola oil first,
the fats are probably okay.
Some experts contend that trans fats make up 25 to 60 percent of all fats contained
in processed food, and 15 to 30 percent of the total intake of dietary fat.
Others disagree, saying the numbers are much lower.
Find out more about this book:
https://www.sharecare.com/health/trans-fats/food-contains-trans-fat
M'reen. I read that (if, for arguments sake)
a mouse given 99 calories a day would die but a mouse given 100 calories a day would live.
With an appropriate number of calories being made up of fat.
The group given natural fat lived an expected life and health span.
But the group give trans fat had put on weight and gained a 'gut' at death.
Food for thought? :)
M'reen. I read that (if, for arguments sake)
a mouse given 99 calories a day would die but a mouse given 100 calories a day would live.
With an appropriate number of calories being made up of fat.
The group given natural fat lived an expected life and health span.
But the group give trans fat had put on weight and gained a 'gut' at death.
Food for thought? :)
Trans Fats are Bad for You
Eat More Fat? -- Amazing Results
You can TCR software and engineering manuals for spontaneously recall – or pass that exam.
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know.
The
more that you learn; the more places you'll go.”
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Your opinions, experience and questions are welcome. M'reen