ScienceDaily (Dec. 30, 2009) — Young hunters between the ages of 15 and 34 are the most likely to suffer serious injuries in tree stand-related incidents, say researchers at the University of Alabama at Birmingham (UAB) Center for Injury Sciences (CIS). The same researchers' findings, though, suggest that such injuries are preventable.
http://www.sciencedaily.com/releases/2009/12/091230152428.htm