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Sharks Found With Drugs in Paradise Waters
23 Mar
Summary
- Sharks in the Bahamas tested positive for caffeine, painkillers, and cocaine.
- A study found multiple over-the-counter drugs in some shark samples.
- Researchers noted metabolic changes in sharks exposed to caffeine.
Sharks in the pristine waters off Eleuthera Island, The Bahamas, have been found to contain traces of human pharmaceuticals and illicit drugs, according to a recent study. Scientists tested 85 sharks and discovered that approximately 30 individuals had ingested substances like caffeine, painkillers, and in one instance, cocaine. This finding is particularly concerning given the remote location of the tested waters.
The research, published in Science Direct, marks the first report of caffeine and acetaminophen detected in any shark species globally, and the first detection of diclofenac and cocaine in sharks from The Bahamas. The study also noted that sharks exposed to caffeine exhibited altered metabolic markers, showing increased activity and responsiveness, similar to effects observed in humans.
Oceanographers emphasize that sharks investigate their surroundings by biting, leading to exposure to these substances. The high proportion of positive results in this sample raises significant concerns about the pervasive nature of pollution, even in seemingly untouched environments, and its potential impact on marine ecosystems.
