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.
Symptoms of mitochondrial myopathies. The main symptoms of mitochondrial myopathy are muscle weakness and atrophy (shrinking), and exercise intolerance. Itâs important to remember that these symptoms vary greatly from one person to the next, even in the same family.