Toxic Air Linked to Long-Term Damage for Deployed Troops

VIDEO: Ellie Kay answers questions from service members and their relatives.
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Scott Weakley, 47, of Denver already had three deployments under his belt when he was sent on back-to-back missions in Pakistan, Afghanistan and Iraq that started in 2004.

Weakley, a marathon runner, was in peak shape, and said he was physically charged for the work ahead. But within five years, Weakley transformed from the lead runner in his battalion to a patient who may now need a lung transplant.

Weakley was diagnosed with constrictive bronchiolitis, a relatively rare irreversible lung condition marked by inflammation and scarring in the airways.

While serving overseas, Weakley inhaled thick plumes of smoke from open pits that regularly burned material and human waste, debris and chemicals. Weakley said burn pits were a constant presence near the U.S. Embassy in Pakistan, and some bases and outposts in Iraq and Afghanistan.

"I knew at the time that smelling it could not be good for me," said Weakley. "I just remember trying to cover with my BDU [battle dress uniform] shirt."

While serving in Iraq, Weakley was also exposed to fierce dust storms, which may also have contributed to his condition, his doctors told him.

Like Weakley, a growing number of soldiers who have served early on in the wars of Iraq and Afghanistan have now been diagnosed with deployment-related lung disease that comes from inhaling toxic waste from sources like dust storms, combat smoke and burn pits.

While the U.S. Department of Defense reports that it has shut down all burn pits in Iraq -– replacing some with closed incinerators -- and plans to do the same in Afghanistan by the end of the year, new evidence suggests the health effects may be irreparable for soldiers who were already exposed.

A new report by researchers at Vanderbilt University found that nearly half of 80 soldiers in Fort Campbell, Ky., who could not pass a standard 2-mile run because of breathing problems, were diagnosed with constrictive bronchiolitis. More than 80 percent of those with constrictive bronchiolitis had been exposed to dust storms, and more than 60 percent had been exposed to burn pits, according to the report, which was published Wednesday in the New England Journal of Medicine.

"I don't' think that we can say that our data says these exposures are the cause, at least not yet," said Dr. Robert Miller, author of the study. "But I think it is very concerning."

Standard tests that are used to detect respiratory diseases, such as a pulmonary function test or CT scan, could not pick up the soldiers' condition. Only a lung biopsy could detect constrictive bronchiolitis in the soldiers, Miller said.

"A large number of soldiers who have these respiratory disorders are being missed," said Miller, who suggested that more soldiers may have a form of respiratory condition and not know it.

While a pulmonary function test picked up Weakley's condition, Miller said that many doctors won't test further if standard tests fail to find anything.

"It's unusual for someone to take people normal on the tests and still give them a biopsy, but it's the only way these guys would've gotten the compensation that they needed," said Miller, who recently served on an American Thoracic Society speaker's panel with Weakley.

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