In addition to these possible research directions, the realm of self-leadership might need to be expanded beyond behavioral and cognitive elements to include physiological components as well. In other words, a comprehensive view concerning the potential of individuals to truly self-lead themselves certainly must be impacted by their fitness level and nutritional habits. The work of Neck and Cooper(2000) and Neck et al. (2004), suggesting that"fit" leaders are more productive leaders, is a step in this direction.