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A nasal spray may cause mild side effects, like dryness, nasal irritation, or congestion

GHK-Cu regulates MMP expression and activity, increasing some MMPs to remove damaged matrix while controlling excessive degradation

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The increased internal air pressure within the airway during a cough applies forces which can propel the mucus at high speed

Regulatory B cells control T-cell autoimmunity through IL-21-dependent cognate interactions