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Every practice in the library, in one list. Narrow it by how long you have, who it is written for, and where you are right now.
Most claims about food and behaviour rest on weak studies. The ones worth taking seriously give each person both the real thing and a dummy at different times, with nobody knowing which is which, so that hope and expectation cannot do the work.
The food colouring trials are the standard example. Around 150 children each received drinks containing a preservative plus one of two dye mixes, or…
The same brand of sweets is often made with plant based colours in one country and artificial ones in another. If a company can make it without the dyes elsewhere, the dyes are not essential to the food.
Nine artificial colours are approved in the US, and the volume approved for use rose roughly fivefold between 1950 and 2012. One of them, Red No. 3,…
Skin prick and IgE blood tests find real allergies. The IgG food sensitivity panels sold direct to families have not been shown to measure sensitivity at all, and they tend to come back with a long list of foods to avoid.
IgG antibodies mostly show that you have eaten something, not that it harms you, which is why the results look alarming and change so little when…
A real food allergy shows itself on the body: a rash, a swollen or inflamed throat, something you can see. Behaviour on its own does not identify one, although behaviour often improves once a genuine allergy is dealt with.
One child's attention and mood went back to her usual level once berries came out of her diet, and what made that findable was the rash and the sore…
There is more about your body than the practices: the your body area has the themes and the courses too.