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Intelligent children more likely to become vegetarians


Intelligent children are more likely to become vegetarians later in life, a study says.

A Southampton University team found those who were vegetarian by 30 had recorded five IQ points more on average at the age of 10.

Researchers said it could explain why people with higher IQ were healthier as a vegetarian diet was linked to lower heart disease and obesity rates.

The study of 8,179 was reported in the British Medical Journal.

Twenty years after the IQ tests were carried out in 1970, 366 of the participants said they were vegetarian - although more than 100 reported eating either fish or chicken.

Men who were vegetarian had an IQ score of 106, compared with 101 for non-vegetarians; while female vegetarians averaged 104, compared with 99 for non-vegetarians.
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Vegetarians were more likely to be female, to be of higher occupational social class and to have higher academic or vocational qualifications than non-vegetarians.

However, these differences were not reflected in their annual income, which was similar to that of non-vegetarians.

Lead researcher Catharine Gale said: "The finding that children with greater intelligence are more likely to report being vegetarian as adults, together with the evidence on the potential benefits of a vegetarian diet on heart health, may help to explain why higher IQ in childhood or adolescence is linked with a reduced risk of coronary heart disease in adult life."
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Liz O'Neill, of the Vegetarian Society, said: "We've always known that vegetarianism is an intelligent, compassionate choice benefiting animals, people and the environment.

"Now we've got the scientific evidence to prove it. Maybe that explains why many meat-reducers are keen to call themselves vegetarians when even they must know that vegetarians don't eat chicken, turkey or fish."

But Dr Frankie Phillips, of the British Dietetic Association, said: "It is like the chicken and the egg. Do people become vegetarian because they have a very high IQ or is it just that they tend to be more aware of health issues?"
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full story:
http://news.bbc.co.uk/1/hi/health/6180753.stm


Study: 10-Year-Olds With Higher IQs Are More Likely to Be Vegetarians at 30

By Miranda Hitti
WebMD Medical News

Reviewed By Louise Chang, MD

Dec. 14, 2006 -- Ten-year-olds with higher IQ scores may be more likely to be vegetarians at age 30.

So say British researchers including Catharine Gale, PhD, a senior research fellow at England's University of Southampton.

They studied 8,170 men and women who were born in the U.K. in 1970.

Participants took an IQ test when they were 10 years old. Twenty years later, they were asked whether they were currently vegetarians.

The vast majority said they weren't vegetarians, but 366 said they were.

They included nine vegans (who eat no animal products, such as meat, dairy products, and eggs) and 123 people who called themselves vegetarians despite eating fish and chicken.

Those with higher IQ scores at age 10 were more likely to be vegetarians at age 30. The difference in IQ points was about five points, the study shows. There was no difference in IQ score between strict vegetarians and the vegetarians who ate fish or chicken.

The results held when Gale's team took participants' income, social class, and education into consideration.

It's not clear how long participants had been vegetarians, or what (if any) relationship vegetarianism has to IQ scores.

The study appears online in BMJ, formerly called the British Medical Journal.

The journal notes that of the four researchers who worked on the study, two say they're "lapsed" vegetarians, one is a "committed" vegetarian, and one calls himself an "omnivore," meaning he eats meat as well as plants.

Three of the researchers say they've never taken an IQ test. The fourth (the omnivore) "opts not to disclose" his IQ, the journal states.

SOURCES: Gale, C. BMJ Online First, Dec. 15, 2006. News release, BMJ.

http://www.webmd.com/content/article/130/117810.htm?printing=true
 


Vegetarianism: the Choice of the 'More Intelligent' Child
http://www.commondreams.org/headlines06/1215-05.htm

Published on Friday, December 15, 2006 by the Independent/UK

by Jeremy Laurance

It's official - vegetarians really are smarter. But it is not because of what they eat. Bright children are more likely to reject meat and opt to become vegetarians when they grow up, a study has shown. Clever veggies are born not made.

The finding helps explain how a team of vegetarians won the BBC Test the Nation competition in September, when they beat off competition from six other teams including butchers, public school pupils and footballers' wives to achieve the highest overall IQ score.

The top scoring individual in the contest, Marie Bidmead, 68, a mother of five from Churcham, Gloucester, was also a vegetarian. "I think it shows we veggies are good thinkers. We think about what we eat for a start," she said.

Researchers from the University of Southampton who conducted the study agree. They suggest that vegetarians are more thoughtful about what they eat. But they say it is unclear whether bright children choose to become vegetarians for the health benefits or for other reasons, such as a concern for animals, or as a lifestyle choice.

The scientists began investigating the link between IQ and vegetarianism because people with higher intelligence have a lower risk of heart disease, which has long puzzled doctors.

A vegetarian diet is associated with a lower cholesterol level, lower blood pressure and less obesity - all risk factors for heart disease. The researchers wondered if this could explain the health advantage of having a high IQ. They cite Benjamin Franklin, the 18th-century statesman and scientist, who said that a vegetarian diet results in a "greater clearness of head and quicker comprehension". He may not have realised that this was because of whom was eating rather than what was eaten.

However, early last century doctors were less enamoured of the practice. Robert Hutchison told the British Medical Association in 1930: "Vegetarianism is harmless enough though it is apt to fill a man with wind and self-righteousness."

The study, published in the British Medical Journal, was based on more than 8,000 people born in 1970 whose IQ was measured at age 10. Now aged 36, the researchers found 366, just under one in 20, said they were vegetarians (a third of these ate chicken or fish but none touched red meat).

As well as being brighter, the vegetarians were better educated and of higher social class but the link with intelligence remained statistically significant even after adjusting for these factors. Despite their intelligence they were not wealthier and more likely to be working for charities or in education. "It may be that ethical considerations determined not just their diet but also their choice of employment," the report said.

It concludes: "Our finding that children with greater intelligence are more likely to report being vegetarian as adults, coupled with the evidence on the potential health benefits of a vegetarian diet, may help to explain why higher IQ in childhood or adolescence is linked with a reduced risk of coronary heart disease in adult life."

The benefits of forsaking meat

* A vegetarian diet tends to be lower in fat, higher in fibre and vitamins

* Vegetarian diets are associated with lower cholesterol, lower blood pressure, and less obesity

* Vegetarians have lower rates of heart disease, less diabetes and may have less risk of cancer and dementia

* The Vegetarian Society, claimed to be the oldest in the world, was founded in Ramsgate, Kent, in 1847. Mahatma Ghandi, George Bernard Shaw and Linda McCartney were members

* 'Vegetarian' is derived from the Latin vegetus, meaning 'lively' and was intended to be suggestive of the English 'vegetable'.


 

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