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 following are the most common symptoms that are seen with goiter: 2,3. The thyroid gland. An underactive gland can cause weight gain. 1  Throat symptoms of tightness, cough, and hoarseness. 2  Trouble swallowing (dysphagia). 3  In severe cases, difficulty breathing (possibly with a high-pitch sound).