Your coffee drinking habits may be harmful to wildlife

According to a new study conducted in the United States, caffeine from our urine may have been entering natural waters through domestic sewage systems, which can threaten wild animals. wild

To reach this conclusion, researchers from the San Diego Water Quality Division in the US found caffeine in water samples taken from streams away from urban areas and sewers.

They analyzed about 100 water samples over a 7-year period.

To collect water, they have come from a range of locations including raw sewage areas and waste water treatment areas in urban areas, as well as streams in remote areas, where There is no human development.

The team found that samples from urban areas tested positive for caffeine. Samples from untreated wastewater contain from 0.052 to 8.5 micrograms of caffeine / liter, while water samples through the treated system still contain 0.029 to 1.19 micrograms of caffeine / liter.

More than a third of samples from remote extended areas were tested for caffeine-positive water samples, the researchers said.

This shows that people living in these areas may not practice good habits, maybe they are people who drink coffee, urinate near streams or leave waste in areas.

In addition, the collected results show that many other pollutants are also detected in human waste such as pathogens, medical waste, contaminated waste .