Marine biologists found detectable levels of caffeine, cocaine and the over-the-counter painkillers in the blood of 28 sharks ...

Nearly one third of sharks studied near the Bahamas’ Eleuthera Island were found to have caffeine, painkillers and other ...

The study found that 28 of the 85 shark samples analyzed had tested positive for at least one of the substances.

Just when you thought it was safe to go back in the ...