Immigrant populations in Europe face an increased risk for diet-related health problems when they immerse themselves in a Western lifestyle - complete with processed and fast foods, according to a new study.
Researchers now say those expanding waistlines are also fueling the global warming crisis. The London School of Hygiene and Tropical Medicine says populations of heavier people contribute more harmful gases than populations of thin people.
NBC's Tracie Potts reports the Obama administration promises to improve the food safety system in the U.S. in light of recent incidents in which people became sick because of improperly handled or processed food products.
