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Aditya Bhutani
The link between oxygen and cancer is clear. In fact, an underlying cause of cancer is usually low cellular oxygenation levels.
In newly formed cells, low levels of oxygen damage respiration enzymes so that the cells cannot produce energy using oxygen. These cells can then turn cancerous because they don't make enough energy to function normally in the body.
The cause of cancer is no longer a mystery, we know it occurs whenever any cell is denied 60% of its oxygen requirements. The prime cause of cancer is the replacement of the respiration of oxygen in normal body cells by a fermentation of sugar. All normal body cells meet their energy needs by respiration of oxygen, whereas cancer cells meet their energy needs in great part by fermentation. All normal body cells are thus obligate aerobes, whereas all cancer cells are partial anaerobes.
The Latest Research Shows many cancer cells could be burning oxygen for energy, which is vastly more efficient at producing energy, but they aren't. Researchers pieced together the key to this puzzle. It is very interesting.
Cancer cells don't need a lot of energy to function, and there is plenty of energy sources available to them. What they do need is a large supply of nutrients necessary to grow and proliferate. Burning oxygen produces a lot of energy, and not much in the way of nutrients to fuel growth. Burning glucose produces little energy, but a lot of nutrients to fuel growth and proliferation.