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FFQThe Food Frequency Questionnaire (FFQ) assess dietary intake. It can be self-administered or administered by an interviewer and consists of a list of questions regarding the frequency of intake of specific foods over a predetermined time such as a week or a month. FFQs may or may not ask the portion size of the foods investigated.
Fibroscan liver investigationExamination with FibroScan®, also called transient elastography, is a technique used to assess liver stiffness (measured in kPa correlated to fibrosis) without invasive investigation. The technology measures the velocity of the sound wave passing through the liver and then converts that measurement into a liver stiffness measurement.
Faecal analysisFeacal analysis can be done with stool samples to monitor lipid and microbiota composition. Changes in human gut microbiota are associated with a variety of diseases and diet modifies gut microbiota. Profiling of the fecal microbiota can be done by Genome sequencing and ribosomal RNA survey. Microbiota-diet interactions produce metabolites, which can be analysed.
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