Most people know about, or have heard of, decompression sickness occurring in divers.
However, fewer people realized that DCS can occur in the flight environment as well. The bottom line is that ANY reduction in pressure can cause nitrogen supersaturation and bubble formation. However, this does not appear to be true. For A.E. Boycott and J.S. Haldane were once again ahead of their time. In their paper, The Effects of Low Atmospheric Pressures on Respiration , Journal of Physiology, Vol.