If the individual is not breathing and you know CPR, have another person get help when you care for the injured person. If the individual is bleeding, put strain on the wound with a cloth or piece of clothing to slow the blood flow. Don’t make an effort to clean the wound, though, as it can do more damage. Wait with the individual until help arrives. Don’t rush to greatly help someone when you have to put yourself in peril — like if the victim is normally in the center of a road, for example. Make sure it’s safe before you try to get to the person and help.For their analysis, Thurston and his co-workers evaluated data from a detailed health and diet study conducted by the National Institutes of Health and the American Association of Retired People . The NIH-AARP study included 566,000 male and female volunteers, age groups 50 to 71, from California, Florida, Louisiana, New Jersey, North Carolina, Pennsylvania, and the urban centers of Atlanta and Detroit. Related StoriesCardiovascular disease morbidity is definitely significantly reduced through intensive management of blood pressureChildren with congenital cardiovascular disease and ADHD can reap the benefits of stimulant medicationsAngina in females associated with abnormal heart blood flowAnalyzing details gathered about the individuals between 2000 and 2009, the researchers calculated the death risk from contact with particulate matter for people in each nationwide census district by cross-referencing information about the amount and type of particulate matter from the Environmental Protection Company's Air Quality Program and other databases.