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Learn about food deserts and the areas in this country lacking a supply of fresh produce and other health foods. Read more.

Having food to eat and a place to sleep are simple things that most of us take for granted. Yet in the US, over half a million individuals experience homelessness on a given night—the equivalent of nearly 17 out of every 10,000 people in the general population.

All relationships are a matter of give and take, but it’s important to know if this matter is balanced between two parties. Determining this balance is the goal behind social exchange theory, a concept designed to gauge the symbiosis within a person-to-person setting.

While immediate containment in the aftermath of a natural disaster is essential, the long-term health consequences must also be addressed.