It's been 12 years since the Deepwater Horizon oil platform exploded in the Gulf of Mexico - resulting in the largest oil spill in history.
Some of the effects on the gulf ecosystems were immediate; as were the economic effects for those whose livelihoods depend on the plentiful fishing in the Gulf.
But researchers are discovering how workers involved in the response and cleanup may be facing other prolonged effects.
A recent report from the National Institute of Environmental Health Sciences reveals workers involved in the 2010 cleanup are at a higher risk for asthma symptoms.
Researcher Dr. Kaitlyn Lawrence shares more with our Rhonda Dunaway.