Phosphorus is a chemical element that is found naturally in air, rocks, soil and organic materials. It is essential for life, and one of the main chemicals necessary for plant growth. As a result, the biggest use of phosphorus is in artificial fertilizers.
When gangrene affects your skin, signs and symptoms may include: 1  Skin discoloration â ranging from pale to blue, purple, black, bronze or red, depending on the type of gangrene you have. 2  A clear line between healthy and damaged skin. 3  Severe pain followed by a feeling of numbness.
The symptoms of a nerve root impingement can vary widely, depending on the location of the affected nerve and the severity of the obstruction. 1  Generally, the following changes might be evidence of a nerve root impingement: 2  Sharp, burning or aching pain and discomfort that may occur in episodes or be consistently present.