In reply to UKC Articles:
"The body also tries to concentrate its blood, allowing more oxygen to be carried, which is why we pee profusely upon altitude exposure. These acute changes maximise the amount of fresh air in the lungs, increasing the driving force to push oxygen into the blood; increase blood flow around the body; and increase the amount of oxygen that blood can carry ......"
This is so dumbed down that it has actually become nonsense, as you must both surely know. As Feynman would have said, not even wrong.....
Why not explain the physiological responses in simple terms? Clearing these issues up would help making forum discussions much more rational (see e.g. the current thread on diamox).
CB