Thousands of hungry families living in slums in the Philippines are surviving on what is locally known as pagpag, a dish made from discarded restaurant food. Scavenged from garbage bins and collection sites, the food destined for landfills is washed and recooked before being sold. The country’s national anti-poverty commission has issued warnings about pagpag, a name which refers to “shaking off” dirt, saying it can contribute to malnutrition. While there are no reported cases of deaths…