According to the military times, 66% of military are "fat and tired." Link to their article is below. Why is that? And if the military is having a weight problem what chance does the average person have?

Original article: https://www.militarytimes.com/off-duty/military-culture/2018/10/03/a-staggering-number-of-troops-are-fat-and-tired-report-says/