Cancers and leukemia are most frequent latent effects of low localized or internal exposure. Although pressure and air density decrease as altitude increases, the composition of the atmosphere remains reasonably the same below about 50,000 ft. or 15 km. 38 98.6 body temp. This prevents the blood from acting as a coolant to carry away heat. Symptoms include weakness, dizziness, vertigo, headache, nausea, blurred vision, and mild muscular cramping.
Skin becomes cold.
Treated with removal to cool environment, loosening clothing, and drinking water.