Living off the fat of the land

Get mothers overeating during pregnancy and you stand to gain customers as soon as they are born.

Drink and snack manufacturers used to be vilified for making a profit out of making us fat. With the new Health and Social Care Act starting to bite, we can look at this differently. Because of the reincarnation of the National Health Service as a path to private profit, obesity can now be reclassified as a marvellous opportunity to kick-start the economy.

Those who are overweight and obese will help generate annual revenues of £10bn by 2050, according to Public Health England. Surely this makes it even more important that we understand the causes of obesity.

On 14 April, researchers gathered in Cambridge to go over what we know. The truth is not much. The bottom line is that obesity seems to be becoming programmed into human biology in the developed world. Profit-hungry health providers should be punching the air.

Cambridge University’s Stephen O’Rahilly, who gave the opening keynote speech at the meeting, calls obesity a “heritable neuro-behavioural disorder” that is “highly sensitive to environmental conditions”. As much as 70 per cent of the difference between individual levels of fatness can be attributed to heritable factors but the rapid rise in obesity and diabetes over the past couple of decades shows that it’s not all genetic. There are ways to make people fulfil their potential for fatness.

Much of it has to do with failures in the signals between the brain and the gut – the messages that tell us when we are full and how much energy we feel we have and need. We don’t know a lot about what causes the failures but the bacteria living in your gut might be able to help. A study published in March showed how a microbe transplant can help weight loss. Transplant the microbes from the stomach of a mouse that has had a gastric bypass into the stomach of a mouse that hasn’t and the second mouse will begin to lose weight. No one knows exactly why, but some think that the mouse with the bypass has an altered gut flora and the most prevalent bacteria change the signalling from gut to brain.

Some of the metabolic failures seem to get programmed in before birth. It is becoming increasingly clear that a balanced diet is crucial to the unborn child. Research has shown that mothers who eat more fat than they should in pregnancy increase the risk of their offspring having liver and pancreas damage, heightening the chances of diabetes and early-onset obesity.

Maternal nutrition can affect the child’s mind as well as its body. Poor health and nutrition in pregnancy has been linked to anxiety, depression and attention deficit/hyperactivity disorder in the child. Improved nutrition in the run-up to conception could have an enormously beneficial effect on future generations.

It’s not entirely popular, O’Rahilly concedes, to blame genetics and environmental factors for obesity: as a society, we still want to characterise the obese as lazy or lacking self-control. Research even suggests that some obese people may be suffering from a progressive neurological disorder induced by factors in their environment: the brain machinery controlling energy balance is falling apart.

Anyway, viewed from a different perspective, this programmed obesity is wonderful, guaranteeing you a client base for generations. Get mothers overeating during pregnancy and you stand to gain customers as soon as they are born. They might end up in a mental health clinic rather than the obesity clinic but a customer’s a customer, right?

Maternal nutrition can affect the child’s mind as well as its body. Photograph: Getty Images

Michael Brooks holds a PhD in quantum physics. He writes a weekly science column for the New Statesman, and his most recent book is At the Edge of Uncertainty: 11 Discoveries Taking Science by Surprise.

This article first appeared in the 29 April 2013 issue of the New Statesman, What makes us human?

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“I see the world in rectangles”: Life as a Lego Master Builder

Nathan Sawaya stunned colleagues when he quit his job as a lawyer to play with Lego full-time. Now everyone from Lady Gaga to Barack Obama’s a fan.

Nathan Sawaya is describing his favourite Lego brick, shiny-eyed and grinning at the thought of it. But he’s not a child proudly displaying a beloved toy. He’s a 43-year-old former corporate lawyer, and well over six foot tall. The brick he is evangelising about is a small 1x2 socket plate with a stud in the centre of its top. He calls this a “Jumper”.

“You know your Lego lingo?” he asks, looking crestfallen when I shake my head. “It has only one stud instead of two, and it allows you to do even more detail because you can offset the brick a little bit. But in general, I focus on the rectangular pieces.”


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Sawaya is one of the world’s eight Lego Master Builders, having left his job at a New York law firm when he was 32 to dedicate his life to building Lego constructions full-time. His most striking works include a torso of a man ripping his chest open with bricks spilling out, called Yellow, a lifesize T-Rex skeleton, a two-metre long model of Brooklyn Bridge, and replicas of famous paintings, including the Mona Lisa, and Edvard Munch’s Scream.

I meet him in a dark exhibition space in a tent on London’s Southbank, where his works are lit up around us. His latest constructions consist of a series of DC Comics superheroes, so we are surrounded by expressionless Supermen flying around us, capes realistically rippling, and a full-size Batmobile with glistening batwings. His boyish eagerness aside, Sawaya himself looks like a comic book villain – a hulking figure dressed in black from top to toe, with a long black overcoat, piercing eyes and thick dark hair.


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Back in his early thirties when he was a lawyer, he would come home after a punishing day at work and do something creative – drawing, painting, sculpting with clay and wire. He soon began to experiment with Lego, constructing models out of sets he had lying around the house. His son, now 17, was never particularly interested in playing with it himself.

“Eventually I made the choice to leave the law firm behind and become a full-time artist who plays with toys,” he beams.

His family was supportive, his colleagues jealous, and his bosses confused – but it wasn’t long until Sawaya found success as a Lego artist. He has had exhibitions of his work on every continent but Antarctica, and gained some high-profile fans. When he was US President, Barack Obama posed with one of his installations – monochrome life-size men sitting on park benches in Washington – and Bill Clinton has a sculpture in his office, as does Lady Gaga in a music video.

“That is the magic of Lego,” he says of his popularity. “It has become a universal language in a way.”


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Sawaya’s Master Builder status means he can buy all his bricks directly from Lego in bulk – not possible for us Lego civilians. He used to buy sets in toy shops and on eBay when starting out; now he can email asking for 500,000 red 2x4 bricks, say, and Lego ships them to him on wooden pallets. He has six million bricks on hand at his studio in Los Angeles. “Millions of each colour and shape and size,” he says. “And they’re all organised by shape and colour.”

He works away for hours at a time in his studio, with his dogs obediently at his feet, in what he describes as a “trance”. He plans designs on special “brick paper” like graph paper, but sometimes he free-builds from his imagination. “I do often see the world in rectangles,” he says, and sometimes he even dreams in bricks.

Just like children do with Lego sets, he simply snaps the bricks together – though he does dab glue between each brick, which triples the time it takes. He describes it as “therapeutic”, but says making a mistake can be “heartbreaking” – he can lose days and weeks of work at a time. “There may be times where I start questioning my choices in life,” he smiles.


Photos: Copyright Jane Hobson

Sawaya faced snobbery from the art world when he first began approaching galleries as a Lego artist. “Oh, is that cars and trucks and little castles?” was the response. He feels it’s now a more acceptable medium. “It makes art accessible,” he says. “And in doing that, it democratises the art world a bit. It allows people to relate to the art. Everyone has snapped a brick together at one point, every child has played a little bit with Lego.

“As an artist, my role is to inspire. And what better way to do it than through a medium everyone is familiar with? If someone sees a marble statue, they can appreciate it, but very few people have marble at home they can chip away at.”

The first Lego creation Sawaya can remember making was a little house, when he was first given the toy at the age of five. He then made a city that grew to 36 square feet. When he was ten, he was desperate for a dog. His parents refused, so he tore all his creations down and built a lifesize one. “It was blocky and very multi-coloured, of course,” he says. “But it was that ‘Aha!’ moment – when I realised it doesn’t have to be on the front of the box. It can be whatever I want.”

The Art of the Brick: DC Super Heroes is on at Upper Ground, Southbank, London, until 3 September 2017.

Anoosh Chakelian is senior writer at the New Statesman.

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