Sprawling cities like Los Angeles and Dallas are notorious for high levels of smog, but even towns like Tulsa, OK and Denver, CO are becoming dangerously polluted. While many of us try to reduce our carbon footprint by taking a bicycle to work or recycling, sometimes the rising danger of air pollution and toxins leaves us feeling powerless to protect ourselves. However, there is research to suggest that ingesting certain nutrients can help to fortify your body against air-borne threats.