The immune system is the body’s defensive system, or the ranks of small toy soldiers ready to defend us from harmful foreign substances, antigens.
What are antigens?
Antigens can be microorganisms such as bacteria, fungi, protozoa and viruses.
The immune system is the set of cells and organs and molecules with specific roles that cooperate, to protect the body from infections. Physical health necessarily passes through a balanced immune system.
There are thousands of factors such as stress, antibiotics, cold, seasonal changes, unrestrained nutrition, which compromise and weaken the body.