In this week's Medical Minute, Dr. Joseph Hobbs, chairman of the Department of Family Medicine at the Medical College of Georgia at Augusta University, discusses how obesity can negate a women's natural protections against cardiovascular disease.

The Medical Minute airs at 8:18 a.m., 1:20 p.m. and 5:18 p.m. every Saturday and Sunday on the 17 GPB radio stations across Georgia. For more Medical Minute episodes, visit the GPB Augusta SoundCloud page.