Brittany Toller, 19, a Santa Monica College student, manages to keep her blood pressure down as she talks on her cell phone while Bertha Navarrete, a medical assistant for Doctors on Demand, check for hyper-tension  during  the SMC Campus Health Fair  on Tuesday, March 13, 2007 at the Library Promenade. Toller got a good reading of 135 over 77. The fair was cosponsored by the Associated Students of Santa Monica College and SMC Health Services.