A study of Global War on Terror veterans found that those who deployed were at less risk of dying from cancer than their fellow troops who didn’t deploy, possibly because those sent overseas were healthier in the first place, according to a paper published Wednesday in the the journal Cancer Epidemiology, Biomarkers and Prevention.

Returning servicemembers are among the some 40 million Americans who suffer from chronic long term sleep disorders, and, for reasons ranging from disrupted sleep during deployment

This month, the Department of Defense (DoD) will launch the third and final recruitment phase of the largest prospective health project in military history -- the Millennium Cohort Study.

A new study found that military service members who reported insomnia symptoms or short sleep durations were less resilient than members who reported healthy sleep hygiene. Several physical and mental variables were evaluated as indices of resilience. These variables were, self-rated general health, lost workdays, deployment, completion of service term, and health care utilization.

Scientists found that military women who had served between 2001 and 2004, and who had been in direct combat, were 2 1/2 times more likely to say they had been sexually assaulted during those years than female servicemembers who had never been to war.

Results [from the Millennium Cohort Study] ... are being regularly reported and are better informing DoD, VA and other medical providers on how to best care for those who are serving our nation. More than 30 publications of findings from the Millennium Cohort Study have already appeared in medical and scientific journals.

The Millennium Cohort Study is currently enrolling invited personnel and expects to add 50,000 service members to reach a goal of over 200,000 participants by early 2012.