Robyn Williams: A few weeks ago in this program we kicked off a row about dope, Cannabis actually. Does it trigger psychosis or even schizophrenia in heavy users? And are the figures for schizophrenia going up, as those for cannabis users certainly are.
Well, you'd think that's a straightforward question, but no, we found there's disagreement about statistics and their significance.
The same can be heard in the Health Report nearly every week. Yes, avoid coffee or fructose, or cholesterol, or red meat because the stats are worrying. And then Norman Swan talks to ten professors about how the significance of the figures may be in doubt.
So, what do we do? Give up? Well no, instead listen to Professor Geoff Cumming of La Trobe University in Melbourne, who has a book on The New Statistics.
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