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.
Knee Bursitis. Knee bursitis occurs when there is irritation or inflammation in one of the knee bursa. Bursa are small fluid filled sacs that reduce the friction between two surfaces. They are found all over the body, and sit between bones and muscles, a bit like ball bearings.