Dolphins in the Gulf of Mexico have traces of human medications — including powerful opioids, muscle relaxants, and sedatives — in their fat, according to a new study that is sounding the alarm on pharmaceutical pollution and wastewater treatment.

Texas A&M scientists found 3,000 different pharmaceutical compounds inside the dolphins' blubber, including opioids, sedatives and relaxants.

Just a few months after cocaine was detected in the bodies of sharks off the coast of South America, research has found fentanyl and other drugs in dozens of dolphins in the Gulf of Mexico, adding to a growing record of pharmaceuticals infiltrating our marine environments.

Dolphins in the Gulf of Mexico have traces of human medications – including powerful opioids, muscle relaxants, and sedatives – in their fat, according to a new study that is sounding the alarm on pharmaceutical pollution and wastewater treatment.

Traces of fentanyl were found inside bottlenose dolphins that were found dead in the Gulf of Mexico, raising concerns that the deadly drug may be affecting other sea life.