With more residents staying indoors, fewer Indians are dying from road and train accidents, leading to a drop in overall mortality. Crime is also down.
The death rate is a contentious subject, in part because federal and island governments haven't responded as rapidly to the disaster as they have in other hurricane emergencies.
After the 2012 mass shooting at an elementary school in Newtown, Conn., there was a spike in gun sales. A study examined the spike and links increased gun exposure to more accidental firearm deaths.
The CDC says the death rate for black Americans fell 25 percent over 17 years and was especially dramatic for those 65 and older. But young black people are still dying earlier than white Americans.
The pollution levels have a staggering impact on health, according to the report, which says: "In 2012, one out of every nine deaths was the result of air pollution-related conditions."
Is it possible to shrink the carbon footprint of the dead? An organization wants to persuade Indians to adopt "green" cremations and make an important Hindu death rite more environmentally friendly.