Egg yolks contain two amino acids and at least one vitamin that contain sulfur. The sulfur is released as the compounds degrade in cooking. Hydrogen sulphide is a physiologically active molecule that is produced naturally by most lifeforms, and is a cellular messenger molecule. It has important roles in many processes.
1 An injury, infection, or an underlying rheumatic condition can cause bursa inflammation. 2  Bursitis is diagnosed by identifying swelling, tenderness, and pain with motion in the affected area. 3  Treatment of bursitis is directed toward reducing inflammation and treating any infection present.
Your bursitis may happen suddenly if it is caused by things like infection or a hard hit to the knee. You may have one or more of the following: 1  Decreased movement. 2  Your knee may feel stiff or unable to move as well as it usually does. 3  Pain or tenderness in your knee.