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Mobile medicine allows health professionals to reach people in need. Learn how mobile medicine works.

Could your ancestors be to blame for your overeating or excess spending? Learn if there's some weight to this suggestion at HowStuffWorks.

What can alligators teach humans to replace even more lost teeth? Find out all about the science behind regrowing teeth at HowStuffWorks.

Feel like sleep deprivation will cause your death? It just might, but perhaps you can curtail this devastating situation. Let HowStuffWorks help.

Paramedics are trained in prehospital care and are often involved in emergency situations. Learn more about how paramedics save lives every day.

The CDC routinely handles deadly agents that can cause disease and infection. View 10 of these public health enemies to learn more.

During therapeutic hypothermia, doctors reduce a patient's body temperature to prevent cellular damage. See how therapeutic hypothermia saves lives.

Triage is a system in the ER that gives treatment priorities to the sickest patients. Learn more about how triage works.

ER nurses save lives and keep the emergency room running smoothly. Learn more about ER nurses.

When a child is born, the first thing a parent checks is how many fingers and toes he or she has. Learn why we have 10 of each at HowStuffWorks.