My life as a picky eater: 'Pasta is like live worms'
Scientists in the US are trying to find out why some people cannot stand the thought of eating fish, think tomatoes are unbearable or refuse to touch broccoli.
Picky eaters are usually dismissed as fussy or faddy, but there is growing evidence that their food preferences may be caused by genetics.
Researchers at Duke University in North Carolina have launched the nation's first survey of adult eating habits in an effort to identify the causes.
Self-confessed picky eater Rhonda West took BBC News grocery shopping in an attempt to show just how deeply her diet affects her life.