The Accession Medical Standards Analysis and Research Activity (AMSARA) has completed its twelfth year of providing the Department of Defense with evidence-based evaluations of accession standards. AMSARA evaluates accession medical standards and retention programs to improve military readiness by maximizing both the accession and retention of motivated and capable recruits. This report provides findings from selected special studies and descriptive data on calendar year 2007 accessions. Section 1, Special Studies, ...