A healthy human body contains two types of cells called B and T cells. These two types of cells are engaged in a continuous process of war against bacteria and viruses. When a virus enters into a human body and comes in contact with a B cell, the B cell produces a substance called cytokine (vide internet), which spreads the message of the attack by the enemies very fast to all the defending cells (B and T cells).

Due to the production of the cytokines, the human body produces…