By Monica E. Oss We have a housing and homelessness crisis of sorts in the U.S. On any given night, 553,742 people in the country are experiencing homelessness, according to federal statistics. Approximately two-thirds (65%) of that population were staying in emergency shelters or transitional housing programs, and about one-third (35%) were in unsheltered locations (see How Many Shelter Beds Are Enough?). And 11 million Americans are considered “housing insecure”—living in substandard or overcrowded housing with frequent moves due to family economics (see Housing Instability). We've covered the direct link between housing, health status, and health care costs before. A recent report looking at…