Alan Cluett asked the Naked Scientists:
I listen to your session with Redi
on 702 on Fridays.
My wife and I differ on how we complete the dishwashing exercise.
I always rinse the cleaned but soapy dishes in clean water before stacking for drying, whilst my wife stacks the dishes directly from the soapy water.
We use biodegradable dish washing liquid.
My view is that the dishwashing liquids contains de-greasers and wetting agents that, if not rinsed off, will contaminate the next plate of food, cup of coffee or tea etc. Over many years this could impact on the internal linings of our mouths, throats and, especially, stomachs.
Am I being paranoid*?
* in the sense of "unreasonably or obsessively anxious, suspicious, or mistrustful"?What do you think?