The causes of Zadroga's death are under dispute. Gerard Breton, a
pathologist of the
Ocean County, New Jersey medical examiner's office, conducted an
autopsy in April 2006, and he reported, "It is felt with a reasonable degree of medical certainty that the cause of death in this case was directly related to the 9/11 incident." This attribution made Zadroga, 34 years old at the time of his death, the first 9/11 responder whose death was directly linked with toxic Ground Zero substances. However, the examination did not compare the particles found in his lungs with actual dust from the World Trade Center site. Hirsch concluded that Zadroga died from self-injection of ground drugs, with Hirsch finding severe scarring in his lungs that he determined was caused by cellulose and talc
granulomas and stating (through a spokesperson) that "The lung disease he had was a consequence of injecting prescription drugs". In response to the City Medical Examiner's autopsy results,
Mayor of New York City Michael Bloomberg stated "We wanted to have a hero, and there are plenty of heroes, it’s just in this case, science says this was not a hero" at remarks made after receiving an award from the
Harvard School of Public Health, but backed away from his earlier characterization at a news conferences stating that "This was a great N.Y.P.D. officer who dedicated himself — put his life in harm’s way hundreds of times during his career — and you can use your own definition." A third opinion obtained by Zadroga's family later that month from Dr.
Michael Baden, chief forensic pathologist of the
New York State Police (and former New York City Medical Examiner), backed the original claim of WTC dust responsibility, citing the presence of glass fibers in Zadroga's lungs that could not be related to injecting drugs. James' father, Joseph, said that the medical examiner reported no "track marks on his arms or body" and that his son had taken anti-
anxiety medications and
painkillers including
OxyContin, but had never ground up and injected the drugs. ==James Zadroga Acts==