Juan Gaertner - Shutterstock
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Studies by various research groups around the world have shown how the T-cells, which are a vital part of our immune system, only perceive the world in a black and white fashion at any moment in time. This means that a minor threat could trigger a response large enough to injure healthy tissue if the T cells acted impulsively on these momentary signals. However, studies also show that the body can match the level of T-cell response to the seriousness of an infection in most situations.