Young Americans Too Fat To Fight

The proportion of young Americans that are too fat to fight or serve in the military is so high that it poses a threat to US national security, according to a group of retired military leaders who are calling on Congress to pass new child nutrition legislation to address the problem.

Writing in the Washington Post on Friday, retired US army generals John M. Shalikashvili and Hugh Shelton, referred to several sources, including the US Army’s own analysis of national data that shows as of 2005, and the figures have changed little since, 27 per cent of Americans aged 17 to 24, some 9 million young adults, were too overweight to serve in the military.

The leading medical reason recruits are rejected for military service in the US today is being overweight or obese, wrote Shalikashvili and Shelton, both members of the executive advisory council of Mission: Readiness, a nonprofit organization of retired senior military leaders, who referred also to a recent report from the Walter Reed Army Institute of Research that showed over the last 15 years the proportion of potential recruits who have not passed their physical exam because of their weight has gone up nearly 70 per cent.

This is backed up by data from the US Centers for Disease Control and Prevention (CDC) who report that the number of states where 40 per cent or more of young adults are overweight or obese has risen dramatically from only one in 1998 to 39 in 2008.

This not the first time the military has spoken out about how the health of America’s children poses a threat to national security: the last time was in 1945 when they expressed concern about the poor health and nutrition of potential recruits, and Congress responded by creating a national school lunch program. Read more

Diet Alone Unlikely To Lead To Significant Weight Loss

Newly-published research by scientists at Oregon Health & Science University demonstrates that simply reducing caloric intake is not enough to promote significant weight loss. This appears to be due to a natural compensatory mechanism that reduces a person’s physical activity in response to a reduction in calories. The research is published in the April edition of the American Journal of Physiology – Regulatory, Integrative and Comparative Physiology.

“In the midst of America’s obesity epidemic, physicians frequently advise their patients to reduce the number of calories they are consuming on a daily basis. This research shows that simply dieting will not likely cause substantial weight loss. Instead, diet and exercise must be combined to achieve this goal,” explained Judy Cameron Ph.D., a senior scientist at OHSU’s Oregon National Primate Research Center, and a professor of behavioral neuroscience and obstetrics & gynecology in the OHSU School of Medicine, as well as a professor of psychiatry at the University of Pittsburgh.

To conduct the research, Cameron and OHSU post-doctoral fellow Elinor Sullivan, Ph.D., studied 18 female rhesus macaque monkeys at the Oregon National Primate Research Center. The monkeys were placed on a high-fat diet for several years. They were then returned to a lower-fat diet (standard monkey food) with a 30 percent reduction in calories. For a one-month period, the monkeys’ weight and activity levels were closely tracked. Activity was tracked through the use of an activity monitor worn on a collar. Read more

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