A walk through the Harlingen Medical Center Annual Health and Wellness Expo may lead you to a healthier life. The three hour event, scheduled for October 1, 2009, at 5501 S. Expressway 77 in Harlingen between the hours of 4:00 p.m. and 7:00 p.m., will offer everything from complimentary screenings and services to wellness education, all aimed at helping you achieve your maximum health and wellness potential.