Long-term stress has been related to immune system deterioration and inflammatory response, which may be a factor in the development of asthma, rheumatoid arthritis, and cardiovascular disease.
A complex network of organs, cells, and proteins make up the immune system, which fights infection (microbes). Memory cells are two different subtypes of white blood cells (B-lymphocytes and T-lymphocytes) that the immune system uses to keep a log of every microbe it has ever eliminated. If the microbe enters the body again, it will be immediately recognized and destroyed before it has a chance to grow and make people sick. Due to the fact that so many distinct viruses or strains of the same virus can cause some infections, such as the flu, and the common cold, it is necessary to fight off these illnesses repeatedly.
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