Does a Strong Immune System Make Colds Worse?

The video explores the relationship between the immune system and cold symptoms. It explains that people with strong immune responses may experience more severe symptoms because these symptoms are caused by the body's reaction to the virus, not the virus itself. Rhinoviruses, which cause the common cold, do not damage cells directly. Instead, symptoms like a sore throat and stuffy nose result from the immune system's response. Studies show that inflammation markers, such as cytokines like IL8, correlate with symptom severity. The video concludes that a strong immune response, while causing discomfort, is beneficial for fighting more dangerous infections.

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