Junk Food= lower IQ

@laglen (19759)
United States
February 8, 2011 8:55am CST
A study conducted in England in the 90's showed that children with a diet of processed fat and sugar had lower IQs than children fed a healthier diet of fruits and vegetables. It is a small difference (about 5 IQ points) but makes kids less able to cope with education Now, when I saw this, a couple things came to mind. #1 How much money did they spend on this study? #2 Do you suppose that a diet high in processed foods may be more conducive to not very bright parents? http://www.france24.com/en/20110208-junk-food-diet-linked-lower-iq-study What is your opinion?
8 responses
@hofferp (4734)
• United States
8 Feb 11
Before I read the entire piece, I was already saying to myself, there's too many other variables that can't be controlled to say there's a significant difference. And then I read: "The association between IQ and nutrition is a strongly debated issue because it can be skewed by many factors, including economic and social background. A middle-class family, for instance, may arguably be more keen (or more financially able) to put a healthier meal on the table, or be pushier about stimulating their child, compared to a poorer household. Emmett said the team took special care to filter out such confounders..." I guess I'm on the side of the debaters. There's no way to "filter out such confounders" and obtain meaningful results. And in addition to economic and social background, I would say you'd also have to look at the role of heredity/genetics. I wonder who paid for the research?
1 person likes this
@laglen (19759)
• United States
8 Feb 11
Most likely the UK government footed the bill. Our governments sure do like to think they are doing something useful. Did this study do anything at all for you?
@hofferp (4734)
• United States
8 Feb 11
Well, let's put it this way. I have two nieces in Dallas. (Same mother and father so we'll throw out genetics/heredity. Even though, that's a mistake.) One is married and doing ok financially. Both her and her husband have college degrees and my niece teaches math. She feeds her kids lots of fruits and vegetables. My other niece is living with a bum, Rob the one who has money but no job. She hasn't finished college and she struggles paying the rent. The kids eat processed/junk food partly because my niece works until 8 at night and partly because she can't afford fresh fruits and vegetables. I'm betting my married niece's kids fair better in school (higher IQ?); heck, they even have college funds set up. Now, do you think it's because of the processed food versus fruits and vegetables, or maybe could it be one of my nieces lives in a better school district; has a better home life; performs parenting/schooling at home, as well as at school; her kids have more opportunities to get to zoos, museums, etc.; etc.? No, it's the food they eat... I'm not saying food doesn't have a role, but there are so many other factors that lead to a child's development... Unfortunately, the U.S. will probably fund research to determine the validity (can't remember the proper statistical terminology...) of the UK findings, which will be another waste of scarce money.
1 person likes this
@laglen (19759)
• United States
8 Feb 11
Your results make so much more sense and it didnt cost a penny.
@katsmeow1213 (28716)
• United States
8 Feb 11
It's amazing the things they waste their money on!
1 person likes this
@laglen (19759)
• United States
9 Feb 11
Not when wasted on studies that a little common sense could give the answer.
@laglen (19759)
• United States
11 Feb 11
but common sense would tell you that anything you ingest goes to baby. Also this is a psychological test which is all theory anyway, not a medical test that would tell us that anything a pregnant women ingests, goes to baby.
@jb78000 (15139)
8 Feb 11
i'd have thought nutrition and child development was actually quite important.
1 person likes this
@chiyosan (30184)
• Philippines
9 Feb 11
Yeah iguess there is some truth on it. Junk foods are basically not nutritious... So i guess it is just backed up by facts and studies... I have known someone whose really fond of chips and you could just imagine how it took a toll in her body... It was no good of course...
1 person likes this
@laglen (19759)
• United States
10 Feb 11
yes but this study showed a 4 point difference that could have been attributed to many other factors. I am not saying that junk food is good for you, but I dont think they should be making such loose claims.
@jb78000 (15139)
10 Feb 11
who's making loose claims? the only places i see loose claims made based on one study are tabloid newspapers. one study adds to knowledge but is almost never proof of anything by itself
@maximax8 (31046)
• United Kingdom
9 Feb 11
I am a primary school teacher and I have a vegan diet. I eat plenty of fruit and vegetables. I have a multi vitamin pill, vitamin B12 pill, omega pill and four iron pills every day. In a class the very able child tend to come from a good background. Their parents might be lawyers, doctors, teachers, social workers or office employees. You might get a child that is average but works very hard and achieves excellent results. There might be a child that is very clever but simply lazy and can't be bothered. The very poor families might be off to the chip shop every night and never have fresh fruit to eat. The dad might work in a betting shop and the mother might be a stay at home mom. The children might not have any books at home. When these children begin school they are at a disadvantage. Food can influence behavior sometimes like a child gets high spirited after having e numbers. Vitamins and minerals can lead to a higher IQ it seems and processed food leads to a lower IQ it would appear. I would still say the children's background has a link to the IQ.
1 person likes this
@laglen (19759)
• United States
10 Feb 11
I agree food will affect your actions as well as your well being. But you nailed it in the first paragraph. The parents are doctors and lawyers and more likely have higher IQs themselves.
• Philippines
9 Feb 11
Health studies such as this one that revolve around IQ and nutrition are a bit problematic because it deals only with simple statistical significance. This means that although there's a 'significant' IQ point 'loss' within the study, it would be hard to see the same result given a more practical setting. Plus, an IQ drop of 5 is not necessarily observable in the real sense because, as it is, it only stands for a small part of intelligence per se (i.e. IQ is not an over-all measure of general intelligence, it only predicts one's capacity for some aspects of verbal, mathematical, and logical intelligence). We also have to be critical of the time the study was conducted; if this is from the 90's then there might be more recent findings about the topic. (This is also the reason why research papers for popular fields of study should only delve on journals that were published within the last 5 years.)
@laglen (19759)
• United States
9 Feb 11
I figure that it is such a complex issue that this study didnt really tell a whole lot I also wonder what its purpose is, most people know that junk food is not good for you.
@jb78000 (15139)
10 Feb 11
most people know that junk food makes you fat and think it gives you spots. its effects on child development need more investigation.
@Sunehant (57)
• India
9 Feb 11
Junk foods are often very non conducive to health because there cannot be any substitute to fresh food. Fresh and healthy food is always easy to get absorbed in the blood as compared to junk food. That is why they say junk food is not easy to digest. Food which is not very easy to digest will have a little effect in IQ
1 person likes this
@laglen (19759)
• United States
11 Feb 11
as proved by the study! thank you!
@skysuccess (8858)
• Singapore
10 Feb 11
laglen, In the first place, I am sure all of us are aware that food products be it fresh, natural or prepared have already enough problems and if it is already rampant, I don't think we need any experiments to tell us how much junk food will actually affect us. Experiments aside, I just feel that all of us need to be logical and moderate with our lifestyle, most of all our dieting habits. Fast food could be convenient but it is conveniently conveying dire consequences to our health. Besides, like it or not, you still need to queue for it and we should ask ourselves if it is really worth asking for it.
@jb78000 (15139)
8 Feb 11
well a diet JUST of fruits and vegetables isn't healthy but commonsense says this study probably has something in it, although you need to add it to other studies to get confirmation. you need nutrients for proper brain development and junk food is noticeably lacking in said nutrients. that is why it is called junk food.
1 person likes this
@laglen (19759)
• United States
9 Feb 11
I understand that, you understand that, but evidently an awful lot of people dont?