The percentage of obstructive sleep apnea (OSA) cases among "active component military members" that are diagnosed in the last year of service, according to a report in the October issue of the Armed Forces Health Surveillance Branch monthly publication, Medical Surveillance Monthly Report -- Obstructive Sleep Apnea and Associated Attrition, Active Component, U.S. Armed Forces, January 2004–May 2016.
The number of Army soldiers "considered clinically overweight," according to a recent article in Military Times -- And the fattest U.S. military service is ... Although the Army has highest prevalence of overweight troops, the article noted that the Air Force was "a close second," followed by the Navy. Even the Marine Corps, with its "culture of fitness and vigor," has more than 4,800 members who "appear to be heavier than regulations allow."
The percentages of "tobacco use prevalence, including both smokeless and smoking" in, respectively, the Air Force and the Marine Corps (the lowest and highest percentages among the service branches), according to an article in the June 2016 issue of Military Medicine -- Installation Tobacco Control Programs in the U.S. Military.