National Park Service Preventive Search and Rescue

Hikers often misjudge Grand Canyon treks, says Dr. Tom Myers of North Country Healthcare. “They either overestimate what they think they can do or underestimate the wilderness.” Myers discussed heat illness and hyponatremia, a condition that occurs when the level of sodium in the blood is too low, at the National Park Service Preventive Search and Rescue (PSAR) Symposium last month at Grand Canyon National Park. Other sessions included presentations from park staff about downhill injuries, … [Read more...] about Preparing for Hikers, High Heat at Grand Canyon