Chiaksan National Park (ì¹ìì°êµ­ë¦½ê³µì) was designated as a national park in December 1984. For years Chiaksan has inspired hikers with its towering mountain sides and magnificent deep valleys. Its was once referred to as Jeokak, but the name has since changed over time, due in large part t
The following list of symptoms, from âConcussion Policy: A Guide for Schoolsâ by Phil Hossler and Michael Collins, concentrates on the three areas most often affected by a concussion: physical changes, cognitive changes (thinking and learning) and behavioral changes.
Symptoms of concussions, such as confusion, blurred vision, headache, loss of memory, and, sometimes, loss of consciousness, can last anywhere from a few seconds to a few hours to a few days. This depends on the severity of the impact. Sometimes, concussions last just a few moments. Other times, a person can be unconscious (knocked out or passed out) for a couple of minutes or longer. Depending on the severity of the symptoms, concussions are grouped into 5 grades. In Grade 0 concussion, the symptoms include headache and difficulty in concentration.