Food allergies, particularly allergies to peanuts and tree nuts, were a growing problem with no known cause, and they now affected 3-6 percent of children under the age of three.

成因仍然成谜的食物过敏，尤其是花生和坚果过敏，已成为日益严重的问题。3 - 6%的三岁以下儿童患有食物过敏症。

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Nickel allergies are particularly difficult to diagnose and tolerate because nickel has permeated so many aspects of our lives.

镍已经渗入我们生活的方方面面，镍过敏绝对就是一个悲剧。

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Sometimes, however (particularly with food allergies), the process is not gradual at all.

然而有些时候，尤其是当你碰到的是食物里的过敏原的时候，这过程根本就不是循序渐进的。

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Developed by Hannes Harms, a design engineering student at the Royal College of Art in London, these little markers would allow consumers to trace the entire supply chain behind every item in their cupboard, while feeding valuable nutritional information to dieters or people with particularly dangerous food allergies.

ENGADGET: NutriSmart prototype embeds RFID tags directly within food, traces your lunch from start to finish (video)

Other studies presented at the same conference contradicted the findings of the Basel team - reporting rising levels of allergies and asthma, particularly in northern and eastern Europe.

BBC: Childhood asthma starting to fall

These messages can be particularly valuable if you have life-threatening food allergies.

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