Food-poisoning expert reveals 8 things he refuses to eat - including Silicon Valley's latest obsession

• Food poisoning expert Bill Marler has cut certain foods out of his diet after more than two decades as a foodborne-illness attorney.
• The latest addition: unfiltered, untreated water, which has recently become an obsession in Silicon Valley.
• Other items Marler won't eat are more commonplace, like oysters, sprouts, and uncooked flour.

A deep knowledge of thousands of food poisoning cases across the US has scared Bill Marler off of certain foods.

With more than two decades working as a food poisoning advocate and attorney, there are simply some things that Marler has cut out of his diet. Marler has won more than $600 million for clients in foodborne-illness cases - and become convinced that some foods aren't worth the risk.

In an article by Health Insider from BottomLine and in conversations with Business Insider, Marler has identified certain foods that he avoids - and that others should be wary of as well.

Here are the foods that this expert says scare him the most: