Of course there is data. Besides the Ionnidis citations in the linked article, I also linked my previous post on the topic which, among other things, links to my section in the DNB FAQ on this topic with dozens of links/citations.
My bad, only browsed through "Why Science Is Failing Us", behaved kind of like a politician, will do my homework before opening my mouth next time.
But I still think that one should use medical epidemiology instead of the cluster word medical science.
Jonah Lehrer has up another of his contrarian science articles: "Trials and Errors: Why Science Is Failing Us".
Main topics: the failure of drugs in clinical trials, diminishing returns to pharmaceutical research, doctors over-treating, and Humean causality-correlation distinction, with some Ioannidis mixed through-out.
See also "Why epidemiology will not correct itself"
In completely unrelated news, Nick Bostrom is stepping down from IEET's Chairman of the Board.