Pneumonia exposure to cigarettes or air pollution, malnutrition, and poverty. The use of acid-suppressing medications — such as proton-pump inhibitors or H2 blockers — is associated with an increased risk of pneumonia. Approximately 10% of people who require mechanical ventilation develop ventilator associated pneumonia, and people with gastric feeding tube have an increased risk of developing of aspiration pneumonia. For people with specific variants of FER gene, the risk of death is reduced in sepsis caused by pneumonia. However, for those with TLR6 variants, the risk of getting Legionnaires' disease is increased. Bacteria are the most-common cause of community-acquired pneumonia (CAP),
American Legion Veterans of the Korean War were approved for membership in The American Legion in 1950, and The American Legion Child Welfare Foundation was formed in 1954. On May 30, 1969, the Cabin John Bridge, which carried the Capital Beltway (I-495) across the Potomac River northwest of Washington, was officially renamed to the "American Legion Memorial Bridge" in a ceremony led by Lt. Gen. Lewis B. Hershey, director of the U.S. Selective Service System. In 1976, an outbreak of bacterial pneumonia occurred in a convention of The American Legion at the Bellevue Stratford Hotel in Philadelphia. This pneumonia killed 34 people