TY - JOUR T1 - Commentary JF - British Journal of Sports Medicine JO - Br J Sports Med SP - 435 LP - 435 DO - 10.1136/bjsm.34.6.435 VL - 34 IS - 6 AU - Michael L Sachs Y1 - 2000/12/01 UR - http://bjsm.bmj.com/content/34/6/435.abstract N2 - See also page 431. This article looks at a fascinating area of sport—exercise dependence—focusing … ER -