There are always parents complaining: [My children are often ill, is their immunity too poor? Can you eat some what to enhance your immunity? ] Is immunity what? Which kind of situation is really poor immunity? Is immunity what? The exact term “immunity” should be called “immune system function”. It is a sophisticated network composed of a series of immune cells (such as lymphocytes, etc.), tissues, organs (such as thymus, spleen, etc.) and immune molecules (such as complements, antibodies, etc.). Under normal circumstances, the [members] of this network work together to fight against [illegal invaders] such as pathogenic microorganisms, which is the main work of the immune system. Why are infants more likely to get sick than adults? When the Read More …