Lack of Oxygen at the cellular level

The metabolism of healthy cells is aerobic, that is the cells function correctly in the presence of sufficient oxygen.

A normal healthy cell burns oxygen and glucose (blood sugar), producing the energy necessary for its metabolism, and releases carbon dioxide.

In certain circumstances, for example if the capacity of the blood to carry oxygen is reduced or if the concentration of carbon dioxide is diminished (representing a call for more oxygen), the capacity of the cells to absorb and use oxygen is altered and they are unable to produce energy in the usual way.

Under these conditions the cells start to ferment glucose in order to produce energy. The waste by-product of the fermentation process is lactic acid, which further inhibits oxygen absorption, and calcium and oxygen are used up in an attempt to buffer the acidity.

It has been found that cancer cells breathe differently from healthy cells: their metabolism is anaerobic, that is fermentative (they survive better without oxygen).

There is, in fact, a theory that suggests that most degenerative illnesses are the result of a lack of oxygen at the cellular level.

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