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Your immune system performs the following functions:
Fight disease-causing germs/pathogens such as bacteria, viruses, parasites or fungi; it also removes harmful pathogens from your body. Recognize and destroy harmful substances in your living environment. Fight disease-causing changes in the body, such as cancer cells.
Since your email system protects you against a multitude of diseases, it is important that it is working properly. In case you feel that your immunity is compromised, you should go for an immunity test.
The immune system is activated automatically. As soon as it recognizes foreign elements, it triggers its defense mechanism. It mostly recognizes foreign elements in the form of antigens. Antigens are proteins that bacteria, fungi and viruses use to cling to the immune cells using receptors. If your immune system has prior knowledge of these pathogens, it uses this knowledge to destroy them. If it doesn’t recognize the pathogens, it either adapts itself to be able to put up a defense, or it becomes compromised.
If the immune system is compromised, your body becomes susceptible to getting infections or catching diseases fast. The immune system loses the data it has about the pathogens, or it cannot mount up the needed attack.
Symptoms that you have a weak immune system or if your immune system has been compromised:
- You have a perpetual cold.
- You easily get stomach infections.
- Your wounds don’t heal easily.
- You are extremely stressed out.
- You frequently get infected.
- You feel tired all the time.
Your immune system uses different types of antibodies. These antibodies are called immunoglobulins. There are five types of immunoglobulins that your immune system uses.
The immunity test may check for the presence of these immunoglobulins. They are
Immunoglobulin M (IgM) – This is your body’s short-term defense. These antibodies are activated the first time a pathogen is detected. They go on increasing for a few weeks and then begin to decline as the level of IgG increases.
Immunoglobulin G (IgG) – They constitute 70-80% of immunoglobulins in your blood. They give your body a long-term protection because they store the data of all the antigens they have dealt with so far. In a healthy immune system, sufficient IgG is produced to prevent re-infection.
Immunoglobulin E (IgE) – These immunoglobulins protect you against allergies and allergy-related diseases with parasitic infections.
Immunoglobulin A (IgA) – They comprise 15% of total immunoglobulins in your blood. They are also found in your saliva, tears, respiratory and gastric secretions, and breast milk. They mostly provide protection to your respiratory tract and the gastrointestinal tract.
Immunoglobulin D (IgD) – The information about this category of antibodies still remains obscure and hence, normally these are not included in your immunity tests.