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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Harry Styles: What can three blank Instagram posts tell us about music promotion?

Do the One Direction star’s latest posts tell us about the future of music promotion in the social media age - or take us back to a bygone era?

Yesterday, Harry Styles posted three identical, captionless blank images to Instagram. He offered no explanation on any other social network, and left no clue via location serves or tagged accounts as to what the pictures might mean. There was nothing about any of the individual images that suggested they might have significance beyond their surface existence.

And, predictably, they brought in over a million likes – and thousands of Styles fans decoding them with the forensic dedication of the cast of Silent Witness.

Of course, the Instagrams are deliberately provocative in their vagueness. They reminded me of Robert Rauschenberg’s three-panelled White Painting (1951), or Robert Ryman’s Untitled, three square blank canvases that hang in the Pompidou Centre. The composer John Cage claimed that the significance of Rauschenberg’s White Paintings lay in their status as receptive surfaces that respond to the world around them. The significance of Styles’s Instagrams arguably, too, only gain cultural relevance as his audience engages with them.

So what did fans make of the cryptic posts? Some posited a modelling career announcement would follow, others theorised that it was a nod to a Taylor Swift song “Blank Space”, and that the former couple would soon confirm they were back together. Still more thought this suggested an oncoming solo album launch.

You can understand why a solo album launch would be on the tip of most fans’ tongues. Instagram has become a popular platform for the cryptic musical announcement — In April, Beyoncé teased Lemonade’s world premiere with a short Instagram video – keeping her face, and the significance behind the title Lemonade, hidden.

Creating a void is often seen as the ultimate way to tease fans and whet appetites. In June last year, The 1975 temporarily deleted their Instagram, a key platform in building the band’s grungy, black and white brand, in the lead up to the announcement of their second album, which involved a shift in aesthetic to pastel pinks and bright neons.

The Weekend wiped his, too, just last week – ahead of the release of his new single “Starboy”. Blank Instagrams are popular across the network. Jaden Smith has posted hundreds of them, seemingly with no wider philosophical point behind them, though he did tweet in April last year, “Instagram Is A BlackHole Of Time And Energy.”

The motive behind Harry’s blank posts perhaps seems somewhat anticlimactic – an interview with magazine Another Man, and three covers, with three different hairstyles, to go along with it. But presumably the interview coincides with the promotion of something new – hopefully, something other than his new film Dunkirk and the latest update on his beloved tresses. In fact, those blank Instagrams could lead to a surprisingly traditional form of celebrity announcement – one that surfaces to the world via the print press.

Anna Leszkiewicz is a pop culture writer at the New Statesman.