Mr. Varekamp's research on Long Island Sound has also found high levels of mercury in sediment.
A preliminary autopsy found high levels of carbon monoxide in their blood.
At milking stations in Nantongyi, recent government inspections have also found high levels of antibiotic residues.
A 2012 report on protein powder drinks from Consumer Reports found high levels based on probably daily consumption.
When Sapolsky analyzed blood samples from low-ranking baboons, he found high levels of a hormone associated with stress.
A robust study by the World Health Organisation, published this month, found high levels of stress and anxiety among 11- to 15-year-olds, especially related to school.
They were holding radiation detectors that they passed around the truck and that found high levels of radioactivity in the cargo, the second State Department official said.
Two studies have found high levels of breathing problems and asthma in local children, largely attributed to sulphur dioxide and other pollutants.
An Australian study of 204 women found high levels of exhaustion, back pain, urinary incontinence, sexual problems and perineal pain at six to seven months after giving birth.
Supply teacher Alex Dolan secretly filmed the schools she was sent to and found high levels of disruptive and anti-social behaviour in the classroom.
The EPA found high levels of benzene and other chemicals used in fracking in water from around the town of Pavillion.
