Though leanness in athletes is often a natural state, it can pose long-term liability to some athletes' performance and/or health. The physician must determine when leanness is reason for clinical concern. Athletes who do not eat enough to sustain training must either reduce the exercise load or increase nutritional intake. (Author/SM)

This article presents the author's presentation on the 13th Delphine Hanna Commemorative Lecture in 2004. The presentation examines some of the problems and issues that must be addressed in order to promote physical activity in the academy and beyond. While there is no all embracing prescription, the author hopes to offer some suggestions that…