Hans Blix: How do we stop Iran getting the bomb?

A preview of our exclusive essay by the former chief UN weapons inspector.

In this week's New Statesman cover story, the former chief UN weapons inspector and ex-head of the International Atomic Energy Agency Hans Blix offers a diplomatic alternative to military action against Iran - and warns that any such attack by the west would be illegal and catastrophic:

If Iran were to be bombed, it would be another action in disregard of the UN Charter. There would be no authorisation by the Security Council. Iran has not attacked anybody and despite Mahmoud Ahmadinejad's wild, populist declarations that Israel should be wiped off the map there is no imminent Iranian threat that could be invoked to justify pre-emptive action.

Blix says he does not believe that the Iranian regime is trying to build or acquire nuclear weapons:

It is possible - but is denied by Iran and not evident to me - that there is a determination to make a nuclear weapon.

The former director of the IAEA points out that the much-discussed report on Iran released by the UN's nuclear watchdog in November 2011 "did not . . . conclude that Iran was making a weapon or had taken a decision to make one". And he issues a stark warning on Iran to the agency's current head:

In my view, the agency should not . . . draw conclusions from information where the supplier is not ready also to show evidence. Both Mohamed ElBaradei and I were careful on this point and I hope the present director general of the IAEA, Yukiya Amano, follows that line. The agency should not risk its own credibility by relying on data that it cannot verify fully.

Blix says "bombing Iranian nuclear installations may be a path to disaster rather than to a solution" and condemns the "outrageous, gangster-style" killing of Iranian scientists. He writes:

Iranian leaders are not going to sit quietly and twiddle their thumbs . . . A war in the Gulf and skyrocketing of oil and gas prices are not exactly what a financially troubled world needs right now. Furthermore, not all relevant installations in Iran would be destroyed. Some may not be known. The capacity and know-how to produce more centrifuges will survive and after armed attacks the Iranian government, which many now hate, may get broad support in a nation feeling humiliated by the attack. If there was not already a decision to go for a nuclear weapon it would then be taken.

The former chief UN weapons inspector in Iraq calls for the establishment of a "nuclear-weapon-free zone" in the Middle East as a solution to the impasse over Iran:

To many, the idea of an agreement between the parties in the Middle East - including Israel and Iran - to renounce not only the possession, acquisition or development of weapons of mass destruction, but also the means of their production, might seem very remote. It does not seem far-fetched to me.

It would, to be sure, call for many difficult arrangements, including verification going beyond IAEA safeguards, as well as outside security guarantees and assurances of supply of nuclear fuel for civilian reactors. It would require that Israel give up its nuclear weapons, stocks of fissile material and capability to produce enriched uranium or plutonium. It would require Iran to do away with its enrichment plants and a number of other installations. All states in the zone would agree between themselves not to acquire or develop capabilities for the enrichment of uranium or production of plutonium.

And he explains why this arrangement would appeal to all sides.

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Samira Shackle is a freelance journalist, who tweets @samirashackle. She was formerly a staff writer for the New Statesman.

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Low fat, full fat: why the diet industry keeps changing its mind

A new report illustrates just how disillusioned the diet industry has become, at the expense of everyone else.

Another year, another wave of dietary fads. Most seem to surface in the summer, when new nutritional advice claims to provide the panacea to everyone’s health woes: “Eat clean get lean!” “The simple secret of intermittent fasting!” “The paleo way is the only way!” “Six weeks to a super you!”

However, despite the barrage of diet books, the expansion of nutrition research and the growth of education about healthy living, global obesity has more than doubled since 1980.

It may be that this is due to the conflicting information constantly issued from the diet industry. “Eat lots of protein – it’ll speed up your metabolism!” “Too much protein will damage your kidneys – reduce your protein intake!” “Superfoods are a vital source of antioxidants!” “Superfoods aren’t so super at all!” “Don’t snack it will make you pile on the pounds!” “You should snack – it’ll stop you from binge eating!” It’s no wonder people aren’t sure what to eat.

The UK launched its first dietary guidelines in 1994, which have since been continuously revised to form the guide now known as “The Eatwell Plate”. The dietary guidelines recommend plentiful carbohydrates “such as rice, bread, pasta and potatoes”, at least five portions of fruits and vegetables, some protein, some milk, some dairy and minimal saturated fat.

However, a recent report serves to highlight the confusion consumers face when it comes to food: it claims that the official advice on low-fat diets is outright wrong, even damaging.

Led by the National Obesity Forum and the Public Health Collaboration, the report (not peer-reviewed, it’s worth noting) attacked a host of official health proposals. It claims that “eating fat does not make you fat”, and criticises Eatwell Plate’s small fat allowance. The report also stated that saturated fats have been unfairly demonised, as there is allegedly little evidence to suggest that they cause heart disease. Meanwhile sugar consumption should be dialled down to zero, apparently, and calories shouldn’t be counted, as an abundance of them won’t cause obesity. Also, forget about the exercise - apparently a bad diet can’t be outrun, according to the report.

Professor David Haslam, chairman of the National Obesity Forum, said: “As a clinician, treating patients all day every day, I quickly realised that guidelines from on high, suggesting high-carbohydrate, low-fat diets were the universal panacea, were deeply flawed. Current efforts have failed – the proof being that obesity levels are higher than they have ever been, and show no chance of reducing despite the best efforts of government and scientists.”

Dr Aseem Malhotra, consultant cardiologist and founding member of the Public Health Collaboration reinforced this by saying the guidelines were “perhaps the biggest mistake in modern medical history, resulting in devastating consequences for public health.” Under current dietary guidelines, obesity levels have indeed increased in the UK, with nearly two-thirds of men and women overweight or obese, costing the economy more than £3bn per year.

In the face of such starkly opposed sides - both backed by seemingly reputable experts who claim all their research is based on empirical evidence - what are consumers meant to do?

The vilification of fat

In 1983, it was recommended that overall dietary fat consumption should make up only 30 per cent of total daily energy intake – 10 per cent of which, at most, should come from saturated fat.

The recommendations came from a number of research papers published at the time, which suggested a link between saturated fat intake and increased levels of LDL cholesterol – the cholesterol which has been connected to increased risk of heart disease, stroke and atherosclerosis.

An even simpler reason for the suggestions boiled down to this: fat has more calories per gram than carbohydrates – nine calories per gram versus four, to be exact. This shape to future official guidelines, and gave birth to the low-fat high-carbohydrate mantra. Fat was cemented as public enemy number one.

As a result, the fat eliminated from people’s diets was to be supplemented with an increased intake of carbohydrates. Tipping the scales in favour of carbohydrates were promises of weight loss as a result of higher fibre content, elevated levels of serotonin to aid sleep and boosts in mood from feeling fuller.

But obesity levels continued to soar, and health experts shifted their focus to the next culprit: carbs.

The low-carb era

An analysis by The American Journal of Clinical Nutrition combined the results of 21 studies and found that “saturated fat was not associated with an increased risk of coronary heart disease”. Other studies demonstrated the positive effect on testosterone levels in men from increased saturated fat intake, and have noted increased levels of triglycerides (the stuff that makes you fat) from lower fat diets.

As a result, dieticians developed a deep suspicion of carbs, and sugar in particular, and diets like the Atkins regime became more and more popular.

In part, the report by the National Obesity Forum and Public Health Collaboration uses the research that propped up these low-carb high-fat diets as a means by which to attack the general consensus surrounding healthy eating. Dr Malhotra, who led the latest report, previously worked in a pressure group called Action on Sugar – a group that has tried to get the food industry to reduce the amount of sugar added to food.

The reasoning goes something like this: guidelines encouraging greater carbohydrate consumption are oblivious to the fact that sugars constitute a vast amount of refined carbohydrates. By cranking up the sugar intake we ratchet up the risk of type 2 diabetes; this in turn could spark further health problems including obesity.

The logic seems sound, and yet obesity levels have continued to soar in the face of this research. The notion that all sugar should be avoided also ignores the fact that our brains require a significant amount of glucose for optimal functioning.

Everything in moderation

In the face of an industry that can’t make up its mind about how people should eat, it’s no wonder obesity levels have grown to epidemic proportions. So what can be done?

Professor Susan Jebb, the government’s obesity adviser, believes that the current debate needs to expand beyond the battle between carbohydrates and fat. She said: “We’re eating too many calories – if we want to tackle obesity people do need to eat fewer calories and that means less fat and less sugar.” And she’s right. If decades of research have pointed to anything assertively, it’s that calories count, and paying attention to portion sizes could take us a long way.

Both fat and carbohydrates are necessary for our bodies to function. The solution? Enjoy everything in moderation. Eat fruits without fearing fructose, don’t throw away the egg yolk, get a decent amount of protein and yes, you should have your slice of cake too.