http://news.bbc.co.uk/2/hi/health/3545684.stm

Traces of the antidepressant Prozac can be found in the nation's drinking water, it has been revealed.
An Environment Agency report suggests so many people are taking the drug nowadays it is building up in rivers and groundwater.

A report in Sunday's Observer says the government's environment watchdog has discussed the impact for human health.

A spokesman for the Drinking Water Inspectorate (DWI) said the Prozac found was most likely highly diluted.

'Alarming'

The newspaper says environmentalists are calling for an urgent investigation into the evidence.

It quotes the Liberal Democrats' environment spokesman, Norman Baker MP, as saying the picture emerging looked like "a case of hidden mass medication upon the unsuspecting public".

He says: "It is alarming that there is no monitoring of levels of Prozac and other pharmacy residues in our drinking water."

Experts say the anti-depression drug gets into the rivers and water system via treated sewage water.