Genes are the latest trend in nutrition, at least going by the burgeoning  legion   of Internet companies offering diets tailored to our genetic make-up.  These services are relatively affordable and simple to use.

After personalised medicine, we are entering the era of personalised nutrition. But this approach requires testing before being applicable. This is what a new EU-funded research project, called food4me , is attempting to do.

Peanut, egg and soy are more common food known to trigger an allergic reaction, a problem affecting around 8% of children in the EU. Intuitively, you might not list apples as causing allergic reactions.