Five patients who consistently identified particular foods as causing symptoms did not have double blind challenges.

The 16 patients who did not identify foods as causing symptoms have been followed up for between nine and 46 months.

Twenty (47%) of the remaining 42 patients studied were able to identify foods that caused symptoms.

A food diary may help with identifying foods that trigger symptoms.

You'll also be able to identify foods that soothe your digestive tract.

A second measure would require labels identifying genetically engineered foods sold in the state.

An elimination diet is a method of identifying foods that an individual cannot consume without adverse effects.

It provides a quick and easy way to identify foods with specific nutritional features of interest.

Dr. Schwetz said the government was trying to identify foods that could be a target in order to increase the inspections of those products.

A food diary can help identify problematic foods.