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John Ioannidis wrong

Beware those scientific studies—most are wrong, researcher warns

Seafood is one of many food types that have been linked with lower cancer risks by Ivan Couronne phys.org (https://phys.org/news/2018-07-beware-scientific-studiesmost-wrong.html) A few years ago, two researchers took the 50 most-used ingredients in a cook book and studied how many had been linked with a cancer risk or benefit, based on a variety of studies published in scientific journals. The result? Forty out of 50, including salt, flour, parsley and sugar. “Is everything we eat associated with cancer?” the researchers wondered in a 2013 article based on their findings. Their investigation touched on a known but persistent problem in the research world: too few studies have large enough samples to support generalized conclusions. But pressure on researchers, competition betwe...