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 can cause pain above, on or below your patella (kneecap). The knee consists of up to 11 bursae. The bursae most commonly subjected to inflammation are the prepatellar bursa, infrapatellar bursa, pes anserinus bursa and suprapatellar bursa. The prepatellar bursa lies just above the knee cap between the skin and the knee cap.