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Pick up a glass, fill it from the tap and take a sip.
You just had a tiny dose of the pill your neighbour took
days before. Excreted and flushed through our sewage
works and waterways, drug molecules are all around us.
A recent analysis of streams in the US detected an
entire pharmacy: diabetic medications, muscle
relaxants, opioids, antibiotics, antidepressants and
more. Drugs have even been found in crops irrigated by
treated waste water. The amounts that end up in your
glass are minuscule, and will not lay you low tomorrow.
However, someone prescribed multiple drugs is more
likely to experience side effects due to these small
doses, and risks rise exponentially with each drug taken
by a person over 65. “These drugs have been
individually approved but we have not studied what it
means when they are together in the same soup,” says
Mae Wu at the National Resources Defense Council
(NRDC).