The headaches, dizziness, and queasiness that can be symptoms of such poisoning may be discounted as food poisoning or altitude sickness — or go completely unnoticed during sleep — until it’s too late. Keeping a tent-flap open isn’t always enough.
Modern tents and stoves come with big warnings regarding carbon monoxide, says Betten, who once camped for more than five months as he hiked the Appalachian Trail from Georgia to Maine.
“Still,” he says, “when the temperature drops at night, or the weather turns bad, it can be really tempting to bring the stove inside the tent to cook dinner.” Betten’s advice: “Don’t.”
Article Appeared @http://www.npr.org/blogs/health/2013/08/25/214925124/the-same-tents-that-seal-storms-out-can-seal-carbon-monoxide-in