Norman Swann
speaker
14,464 appearances
150 recordings
1 series
first heard Jul 2005
last heard Feb 2013
Norman Swann’s voice in public audio — every appearance, attributed to the second.
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Appearances
So a manufacturer can always blame something else.
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And indeed, while findings in a test tube looking at the effects on cells might be scary, the reality might be quite different in a whole person because we may not absorb the chemical or our liver might get rid of it before there's any harm.
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The challenge for the Californian project is to put this on a solid scientific basis.
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And by the way, the state of knowledge and regulation isn't a lot better here in Australia.
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With 80,000 odd chemicals out there, no one's going to be able to test them all.
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So this project aims to find efficient ways of focusing attention on likely candidates, initially for breast cancer risk, then other tumors.
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In Europe, as you heard, they're already insisting on safety data before a company can sell a chemical in significant quantities.
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So there's a broader drive globally for better information.
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Another of the speakers in San Diego was Dr. Suzanne Fenton.
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They're also developing a rapid way of screening chemicals singly and in combination, measured against what they might do to cancer causation processes and cancer-causing genes.
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But before we get too excited about all this, you have to ask, what evidence do they have that this is really a problem?
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Suzanne Fenton again, followed by Sarah Janssen.
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Sarah Jansen.
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But there's a long way from what they might find in a lab to what really happens in the population.
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For instance, a fair proportion of the rise in breast cancer incidence has been due to the use of hormone replacement therapy and the increasing age of women when they first have a baby.
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When you subtract those factors, plus genetic risk, how much is actually left?
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Work that's worth keeping an eye on.
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You're listening to The Health Report here on ABC Radio National with me, Norman Swan.
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Breast cancer, at least in most women, is either curable or can be treated so that there's long survival.
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But that can't be said for most women with cancer of the ovary.
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Showing 441–460 of 14,464 · page 23 of 724
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