Chemicals from human cosmetics and drugs have been found in the blood of turtles living in Australia's Great Barrier Reef.

Green turtles were found to have hundreds of thousands of different chemicals in their blood stream, which had caused the animals to suffer from liver dysfunction.

Scientists said the discovery highlighted the devastating impact of man-made matter on marine life.
Medications for the heart (milrinone) and gout (allopurinol), as well as cosmetic and industrial chemicals, were among substances detected in the reptiles' bloodstream as part of an ongoing conservation project, reports Daily Mail.

Green turtles are considered endangered by the International Union for Conservation of Nature's Red List.

Scientists said exposure to the substances had caused side effects in the turtles, with indications of inflammation and liver dysfunction.

"Humans are putting a lot of chemicals into the environment and we don't always know what they are and what effect they are having," said Amy Heffernan of the University of Queensland.

"What you put down your sink, spray on your farms, or release from industries ends up in the marine environment and in turtles in the Great Barrier Reef."

Researchers tested turtles at Cleveland Bay and Upstart Bay along the Queensland coast, as well as the more remote Howicks islands in the reef's north as part of the 'Rivers to Reef to Turtles' project led by WWF-Australia.

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