On Monday night Gary Taubes will committee his second transatlantic flight in a week–from Zurich to Aspen–then eventually back to Oakland, where he calls home. The crusading science journalist best known for his beef with Big Sugar is beat after four days of nutrition meeting glad-handing. But there’s no remainder for the down and out. Taubes is on a desperate money-raising mission for the Nutrition Science Initiative–his nonprofit dedicated to improving the quality of nutrition research.
NuSI( pronounced new-see ) launched in September 2012 with much fanfare, including in the pages of WIRED. It quickly created more than $40 million from big-name donors to facilitate expensive, high-risk studies intended to illuminate the causes of the obesity. Taubes and his cofounder, physician-researcher Peter Attia, contended that nutritional science was so inconsistent because it was so expensive to do right. With a goal of creating an additional $190 million, they wanted to fund science that would help cut the prevalence of obesity in the US by more than half–and diabetes by 75 percent–by 2025.
Rehabilitating the entire field of nutrition research was always a long shot. But six years in, NuSI is nowhere near achieving its lofty aspirations. In fact, the once-flush organization is broke, president-less, and all but gone. It’s been three years since it last tweeted, two years since it’s had a real office; today NuSI consists of two part-time employees and an unpaid volunteer hanging around while Taubes tries to conjure a second act.
Because while he’s nearly out of fund, Taubes is not yet out of notions. This time, though, that might not be enough.
When Taubes and Attia first hatched their “Manhattan Project for nutrition, ” they planned to work on it nights and weekends, crowdsourcing monies from the low-carb corners of the internet. They didn’t think it would be too difficult; between a 2002 New York Times cover story titled “What If It &# x27; s All Been a Big Fat Lie ?” and his best-selling book Good Calories, Bad Calories , Taubes had become the country’s anti-sugar agitator-in-chief. Then, in 2011, Taubes received an email from a former natural gas trader named John Arnold who wanted to help.
In May 2012, only weeks after announcing his and his wife’s new charity aimed at reforming iffy areas of science, the John and Laura Arnold Foundation dedicated NuSI a $4.7 million seed grant to do nutrition research right. In 2013 they followed that up with an additional $35.5 million commitment over five years, attaining them NuSI’s resulted funder.
At the heart of their mission was the decades-old question of whether all calories are, in fact, created equal. The mainstream view is that it’s simply an excess of calories that makes people fat–no matter whether those calories come from a bagel or a steak or a bowl of broccoli. Taubes and Attia subscribe to a growing minority posture, dubbed the carbohydrate/ insulin or C/ I hypothesis, that argues obesity is caused by an excess of insulin driving energy into fat stores. In other words, sugar makes people fat.
Taubes and Attia supposed those questions required a more streamlined research approach to get real answers. So they formed NuSI to funnel money into a rigorous new situated of studies, while leaving scientists with the experimental independence that would shield their results from bias.
With the Arnold money in hand, Taubes and Attia started recruiting top researchers in 2012 to conduct four initial studies. They purposefully brought on people who disagreed with them, like Kevin Hall, a senior investigator at the NIH’s National Institute of Diabetes and Digestive and Kidney Diseases, whose mathematical models predicted that a low-carb, low-insulin diet would have only a tiny impact on calorie-burning. He would head up one of NuSI’s first studies, dubbed the Energy Balance Consortium.
The EBC’s pilot project would lock 17 overweight humen inside metabolic wards for two months, feeding them precisely formulated meals and pricking and prodding to consider what happened to their bodies on a low-carb diet. If it stimulated them burn calories faster, a follow-up study would do the same exams on a bigger group of people. If the effect was minimal, researchers would then test the effect of low-carb diets on hunger.
Hall was skeptical they would find anything to support the carbohydrate/ insulin hypothesis. But he was assured by the terms of the contract; NuSI would have no control over the pilot study’s design, operation, or reporting. He could build the study he wanted.
At first, things ran according to plan. The EBC researchers met with NuSI quarterly to finalize the study’s design and clinical procedures. NuSI signed a consulting agreement with Dr. Jeff Volek–author of the book The Art and Science of Low Carbohydrate Living — to make the diets and menus.
By August 2014, the EBC researchers had preliminary results on their 17 volunteers: The data demonstrated “no significant difference” in energy expenditure. That didn’t entail it was a failure; to the researchers, they had succeeded in confirming the methods used before using it in an even more significant, longer study. “We had to work out these rather complex logistics of getting common food sources distributed among many organizations, ” says Rudolph Leibel, one of the consortium scientists working on the pilot at Columbia. “It looked like something the Allies would have organized for all the landings on D-Day.”
But when Hall presented the pilot’s results in person to representatives from NuSI at a meeting in Bethesda in September, they were not so rosy-eyed. NuSI wanted to see the data, and it began extensive criticisms once they had it.
Taubes in particular had issues with many of the study’s designs, which fed participants a “standard American diet” for four weeks before switching them to an extremely low-carb, or ketogenic, regimen with the same amount of calories. It was supposed to get them to a stable weight, or energy balance, to establish a baseline before going keto. But the subjects all lost weight even before they started cutting out carbs. Taubes contended that was because the standard diet didn’t have enough refined sugary beverages to illustrate average American consumption.
“From my perspective, the pilot was a failure for several reasons, ” Taubes says. “First, it failed to get people in energy balance in the run-in period, and that was a necessary condition to interpret the findings.” In addition, he points out, the design didn’t include a group of non-dieters, and non-randomized trials do not allow for firm conclusions about causality, conditions that everyone in different groups knew going in. In his eyes, all the pilot told them was that their technique was flawed. “If this was an animal study, they’d have thrown them out, ” he says. “Euthanized them and started over.”
But NuSI had previously been spent$ 5 million of the Arnold’s money, and everyone was eager to get to the second phase of the study. As they worked out the details through 2015, the relationship between EBC and NuSI continued to fray. “There was not a real squad, ” says Eric Ravussin, EBC’s co-principal investigator and director of Pennington’s Nutrition Obesity Research Center. “As scientists we were in agreement over the pilot results and the new protocols, but NuSI had some concerns. It eventually merely became us versus them.”
According to Hall and Ravussin, NuSI began to push back, in a way that they felt jeopardized their ability to do good science. In April, the EBC researchers sent NuSI an email requesting to re-establish their academic freedom.
As 2015 turned into 2016, the relationship between the EBC researchers, NuSI, and the Arnold Foundation deteriorated even further. At the end of December, Attia quietly resigned from the organization. Sources close to him say he was unhappy has become a full-time fund-raiser; he wanted to get back to research.
NuSI scrambled to fill Attia’s position as chairwoman, first with Christopher Ochner, a psychiatrist at the Icahn School of Medicine at Mount Sinai, and a few months later with Julie Eckstrand, NuSI’s then-director of clinical operations, who has since left. At the beginning of 2016, NuSI’s yearly contract with the Arnold Foundation was replaced by a series of three-month bridge contracts, with marching orders to downsize. The team of 15 full-time employees and major contractors shrunk to a skeleton crew that could handle the three remaining studies. NuSI shuttered its San Diego headquarters and became a virtual organization.
Things came to a head at a meeting in January 2016. In front of John Arnold, NuSI directors Taubes and Mark Friedman openly quarreled with Hall and his colleagues about what was really necessary to run a good study. Hall had had enough. At the end of the session he stepped down from his role with the EBC, quoting changing expectations about the structure and practise of the NuSI collaboration.
As the remaining researchers continued to clash with NuSI over the summer about the second phase, the pilot outcomes were finally published in the American Journal of Clinical Nutrition in July. They received a lot of media attention, in no small part because Hall said the pilot, along with another study he’d conducted previously, “basically falsify” the theory that sugar makes people fat. By the end of the summer, the Arnold Foundation had decided not to fund the second phase of the study.
After that, NuSI stopped get checks from the Arnolds. But the foundation didn’t stop fund research into the carbohydrate/ insulin question. That fall they opened their search to the wider world, putting out a call for proposals for “rigorous research projects that will assess the role that sugar and/ or macronutrients play in metabolic responses and fat accumulation.”
The Arnold Foundation declined to respond to specific questions about how it came to end the interrelationship with NuSI about $14 million short part of its commitment. A representative emailed the following statement: “This research was designed to answer scientific questions in the fields of nutrition and obesity. While the foundation no longer directly supports NuSI initiatives, we continue to fund work in the field of nutrition science and remain open to further investments in this area. The NuSI project was a worthwhile effort and remains an important health-related issue for Americans today.”
It’s still too soon to assess what NuSI has added to the nutrition science canon. Outcomes from the two outstanding NuSI-backed studies are due later this year. The fourth and larger one, conducted at Stanford, randomized 600 overweight-to-obese subjects into low-fat versus low-carb diets for a year and looking back on whether or not their weight loss could be explained by their metabolism or their DNA. Published this February in JAMA , the study procured no differences between the two diets and no meaningful relationship between weight loss and insulin secretion. The most significant finding was that it’s hard to stick to a diet for a whole year.
Obesity docs like Yoni Freedhoff, a professor of family medicine at the University of Ottawa, aren’t surprised that NuSI hasn’t triggered an epistemological revolution. “From the outset, their approach was simply that knowledge will be enough to drive behaviour, ” says Freedhoff, who has argued that efforts to prove one diet is better than another do a disservice to patients by implying there’s only one right style to lose weight. He’d love to see research dollars be spent instead on studying how to improve adherence to different eating strategies.
Taubes says the fund-raising journey to Zurich went well, though he won’t share specifics. It could just be the jet lag, or it could be the mental burden of having to sing for his supper, but Taubes voices tired. “I say this to my wife all the time:’ Maybe I’m a quack.’ All quacks are sure they’re right. Isn’t that the defining characteristic of a quack? But the fact is that we money four studies, and the three randomized trials were highly successful operationally. One of these has been published in a top periodical with interesting results, and I remain hopeful that we will soon see if the last two studies will move some needles. Our convictions have gotten us this far, and despite some frustrations, these questions still seem vitally important to test.”
Taubes is optimistic that NuSI is just evolving into something a bit more humble. Between its current coffers and the agreements he’s working on, he believes NuSI can stay afloat for several years, eventually supporting more outside research, though on a much more modest scale. He’s got notions about instituting a scientific oversight committee to make sure everyone agrees on methods and statistical analyses from the outset.
But he’s also starting to think about how to go back to the life he had before NuSI, the life of a journalist. He’s get more articles and books he still wants to write , not exclusively about sugar. But it’s tricky. “I know I clearly have conflicts that other journalists only don’t have, and that’s a tightrope I haven’t figured out how to walk yet, ” Taubes says. “This nutrition science crusade–right or wrong–expands easily to fill all the time in my life that can be allotted to work. So I’m going to figure out how to partition time better in the future.”
In between flights and meeting dinners, he’s been checking his email for notes on an upcoming article about a new kind of observational study that uses genetic variation to mimic a randomized control trial. While the tale isn’t strictly related to nutritional science, Taubes now has the kind of conflicts of interest that make publications wary. He’s working with a new editor and a new outlet after his old editor at Science wouldn’t touch it. Taubes founded NuSI to support objective science; now, it &# x27; s his own objectivity he has to defend.
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