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.
The bursae. Bursitis of the knee is an inflammation of any of those eight bursae, resulting in pain and tenderness of the knee, swelling, and a warm feeling when you touch the area. The bursae can become irritated by frequent kneeling, direct trauma to the knee, or falling on the knee too often.