When it comes to the Mayo Clinic Diet, the name behind the diet belongs to one of the most respected medical organizations in the world, so it's no surprise the diet is popular.
Confidence votes 680. As of September 30th, 2011, there are roughly 2,889,000 WWII veterans alive in the USA according to the U.S. Department of Veteran Affairs. Worldwide, there are about 5,250,000 still around as of late 2011.
The approximate percentage of Vietnam-era veterans who are still alive in 2013 is 75. Some online estimates suggest that the number is much more stark: Only one-third of Vietnam veterans are still alive, these Web sites say, and the survivors are going fast.