There is a belief that preservatives and colour can cause or exacerbate hyperactive behaviour in children. One trial supported this view, the European Food Safety Authority was luke warm about the interpretation of the results.
Attention deficit hyperactivity is a multifactorial condition, treatment is centred on three main strategies.
The first and the second offer the best success
Kemp in a review in the BMJ suggest that a trial period of eliminating colourings and preservatives is a worth while exercise. It is best if this is appropriately supervised and evaluated.
Kemp 2008 Food additives and hyperactivity BMJ vol 336, p1144
- Martin Eastwood