Here, too, there is a mountain of good evidence from California, where smoking in a bar or restaurant has been outlawed statewide since 1998.
After all, they point out, the ability to distinguish good evidence from bad requires reason, but why trust our ability to reason?
We have good evidence from Oregon, where an identical law has been in effect for 15 years, that the safeguards are ample.
However, there is no good evidence from controlled clinical trials to suggest that colonic irrigation lowers toxin levels of the body or that it is an effective therapy for any condition at all.
Using your brain does in fact take up a lot of energy, and there's good evidence from researchers like Roy Baumeister to suggest that, for example, we make worse decisions when we are tired.
There is good evidence from experience reports and other literature that the lean flow concepts of on-demand, value-based scheduling and limited work-in-progress are highly effective in many instances of software development.
Mr Poulter said: "I don't agree with a northern bypass because there is good evidence from elsewhere in the country that if we look at traffic flow issues over the Orwell Bridge and manage that better, we could improve flow.
YouTube has joined a growing list of social media companies who think that forcing users to use their real names will make comment sections less of a trolling wasteland, but there's surprisingly good evidence from South Korea that real name policies fail at cleaning up comments.
Although sufficient data on the management of large haematomas are lacking, there is good evidence from randomized trials that in younger patients with life-threatening, space-occupying, so-called "malignant" middle cerebral artery (MCA) infarctions, early hemicraniectomy decreases mortality without increasing the number of severely disabled survivors.
There is very good evidence from the prohibition of alcohol in the States, and the principle is exactly the same.
There is good evidence from this period of new construction and new churches, even in remote areas, strongly suggesting that wealth was widespread.
