The obesity rate is 52% in Brownsville, Texas - far higher than the national average. Nearly one in three residents have diabetes - three times the rate elsewhere. Brownsville also has a very high rate of poverty where more half the residents are not covered by health insurance.

This city and other largely hispanic communities along the U.S. - Mexico border are facing a health emergency.

Brownsville decided to tackle the crisis head on, with an innovative mix of public initiatives - including a new farmer's market, many miles of bike lanes, changes to zoning regulations, and a community-wide health challenge.

Our guest is obstetrician-gynecologist, Rose Gowen, a City Commissioner in Brownsville. We hear her personal story and what Brownsville is doing to transform itself into a more active, prosperous and healthy community.