The 'brain food' found in eggs that you know very little about
The
'brain food' found in eggs that you know very little about
Choline is a
compound that is associated with improving mental ability and reducing anxiety
in us. But are you getting the right amount of it?
You may not
have heard of choline before. But studies have shown that it is very important
for our health at different stages of our lives.
Choline is
neither a vitamin nor a mineral. Rather, it is an organic compound that is
essential for a healthy human nervous system.
Now many
facts are coming out that show that taking more choline has very powerful
effects that improve our mental abilities and prevent neurological development
disorders.
It helps in
preventing diseases such as hyperactivity disorder, ADHD and dyslexia
(difficulty in reading and writing).
This is a
food that plays an important role in human neurological development.
A study
found that children whose mothers took choline supplements during pregnancy
before their birth showed faster comprehension after birth, which is a measure
of healthy cognitive performance.
Essential
Nutrients
Zhen Yin
Jinag is a professor of health and nutritional sciences at Brooklyn College in
New York, USA.
Choline is
an essential nutrient, she says. This means that ‘we need it for our health but
our bodies can’t make it in sufficient quantities, so we need to get it from
our diet.’
Emma
Derbyshire writes about science and is the founder and CEO of consultancy
Nutritional Insight. She says choline is similar to omega-3 fatty acids and is
actually the closest thing to a B vitamin.
Choline is
found more in animal foods than in plants, including beef, eggs, fish, chicken,
and yogurt. But it is also found in peanuts, beans, mushrooms, and vegetables
like broccoli.
Choline is
needed for various functions in our bodies, including our liver system. Not
getting enough of it can cause various problems.
Jiang says
that choline helps reduce liver fat, and people who are deficient in choline
have a ‘fatty liver’
. Choline also helps the body make
phospholipids, which are important components of our cell membranes.
A deficiency
in this nutrient can affect genes involved in the process of increasing the
number of our cells.
Choline
deficiency is especially dangerous during fetal development because it affects
the proliferation of brain cells.
Derbyshire
says that the role of choline is very important for our brain, in fact, it is
the main food for our brain. It is needed by our body to produce the
neurotransmitter acetylcholine, which is a chemical that carries messages from
your brain to your body.
Acetylcholine
plays an important role in the nerve cells of the brain. We need them for our
memory, thinking, understanding and learning.
A study was
conducted on almost 1,400 people, aged 36 to 83.
Researchers
found that people who took more choline had better memory, and that choline
consumption during midlife may help protect our brains.
The first
1000 days
It is
well-established that the first two years of a child’s life are crucial for
their development, and the mother’s diet during pregnancy and breastfeeding has
a significant impact on this.
Research has
shown that choline in the womb is crucial for a child’s development. In fact,
babies have three times more choline than their mothers at birth, Derbyshire
says, which shows how important choline is at this age.
Several
studies have shown that there is a link between the supply of choline in the
womb and the mental ability of the child born later, and its benefits can
continue for years as the child develops.
One study
found that pregnant women who consumed a high amount of choline in their diet
during the 13th to 28th week of pregnancy, or the second trimester, had
significantly higher scores on short-term and long-term memory tests when their
children were seven years old.
Some studies
have also suggested that if pregnant women eat low amounts of choline, their
children are at risk of developing conditions such as ADHD, such as attention
deficit hyperactivity disorder (ADHD).
Image
caption: According to one study, people who eat eggs have twice as much choline
as other people.
“We see many
children in schools who show attention deficit hyperactivity disorder (ADHD) or
who do not have the same ability to learn to read and write as normal children.
In some of these children, these symptoms are genetic, but it is also possible
that they are not getting important nutrients in the womb.”
She says
that very important neurological changes are taking place and they affect them
later. We are now treating their consequences.
Experts have
studied the supply of choline to the baby through breast milk during pregnancy
and after birth and its effects on brain development.
She says
that animal studies have shown that when mothers have higher levels of choline,
their children's mental development and abilities are better.
She says
that we have begun research on humans to see similar results, although not
exactly the same.
Choline is
commonly included as an ingredient in supplements called ‘nootropics’, a
diverse group of substances that some believe can enhance learning and memory.
Choline deficiency,
on the other hand, has also been linked to neurodegenerative disorders such as Alzheimer’s and Parkinson’s disease.
One study
found that higher choline intake was associated with lower levels of anxiety.
In another study, higher dietary choline intake was associated with a lower
risk of depression.
Taking
adequate amounts of choline has many other benefits.
A study in
mice found that it reduced levels of homocysteine, an amino acid that increases
the risk of heart attack.
High
homocysteine levels are also linked to osteoporosis (a disease of weak and
brittle bones).
Research has
also shown that people who eat more choline have stronger bones and are less
likely to fracture.
Oyen Jank, a
researcher at Marine Research in Norway, says choline may work against bone
damage.
She says
this could be partly due to homocysteine, but also because choline is an
essential building block in our cell membranes.
Are we
getting enough choline?
In Europe,
the European Food Safety Authority (EFSA) has recommended the following choline
intake:
Adults: 400
mg
Pregnant and
breastfeeding women: 480 to 520 mg.
The
Institute of Medicine (IOM) in the US first recommended choline intake in 1998:
For men: 550
mg
For women:
425 mg
Pregnant
women: 450 mg
Breastfeeding
mothers: 550 mg
An egg
contains an average of 150 mg of choline, while chicken breast contains 72 mg
and a handful of peanuts contains 24 mg of choline.
In 2017, the
American Media Association recommended that pregnant women take choline
supplements, but they should know that the supplement contains evidence of
choline.
Brain
Food
In 2020, 38
animal studies and 16 human studies concluded that choline supplements play an
important role in brain development.
However,
only recent animal studies have shown a strong link between choline and
improved reasoning ability.
The study
did not specify a specific dose, but it was said that the human studies used
930 mg of choline daily. This is the amount found in about six eggs, and no
negative effects were seen from its use.
According to
experts, there are some people who need more choline than the recommended
amount. This includes women whose menstrual cycle has stopped. For example,
women with low estrogen levels and people with fatty liver disease.
Derbyshire
says we also know that people have different genetic makeups, so some people
need more choline than others.
Derbyshire
has previously worked as a consultant for Marlow Foods, the Meat Advisory
Panel, the Health Supplement Information Service and the British Egg
Information Service, among other organizations.
Experts say
that when we eat foods that contain choline, it is easily absorbed into our
bloodstream.
However,
many studies have shown that many of us do not get the amount of choline we
need.
One study
found that only 11 percent of adults in the United States are getting the
recommended amount of choline.
Another
powerful source of choline is eggs. There is also a concern that people who eat
only vegetables may not be getting enough of this nutrient.
Although
many plants in developed countries are a major source of choline supplements,
one study found that people who eat eggs have twice the amount of choline as
those who do not. Experts have concluded that it is “extremely difficult” to
get the right amount of choline on a daily basis without eating eggs or taking
supplements. According to experts, the EFSA recommends 400 mg of choline per
day for those who are planning their diet. Similarly, for those who are not
carnivores, i.e., those who eat only vegetables, tofu (28 mg per 100 grams),
peanut butter (61 to 55 mg per 100 grams) and soybeans (120 mg per 100 grams)
contain choline. According to experts, anyone who feels that they are not
getting the right amount of choline should take a daily supplement.
He says more
research is needed to understand the mechanisms of choline's health effects in
humans and animals.
Derbyshire
says doctors are more aware of choline.
Although
it's often overlooked, he's hopeful that the nutrient will soon gain public
attention.
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