Concussions and kids: know the signs

Concussions and kids: know the signs

"Head trauma is a major public health concern in the United States, with indirect and direct health-care costs approaching nearly US$1 billion annually. Worse, head trauma also can cause short- and long-term health problems and, in children, problems with academics, headaches and behavioral health issues."

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No giant leap for mankind.

No giant leap for mankind.

"Understanding exactly how and why humans evolved is clearly one of the most important goals in science. But despite a significant amount of research to date, these questions have remained a bit of a mystery. Of course, there is no shortage of theories – it has even been suggested that humans are just visiting aliens. However, most of the credible models tend to take something that is unique to humans – such as language – and show how all the other bits of being human derive from that."

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