What the colour of your snot says about your immune health

YORK (UK): Ever wondered why the colour of your snot is different when you’re sick? You’re probably not the first person to ask this question.

There are actually many reasons why your snot’s changes colour when you’re unwell. And the colour and consistency of nasal mucus can reveal intriguing details about your immune system, and how your body responds to illnesses.

Mucus is produced by the tissues lining our nasal passages. Often perceived as a mere nuisance, mucus serves a very important role. It acts as a protective barrier, trapping dust, bacteria, viruses and other irritants – preventing them from reaching the respiratory system’s deeper parts.

Source: PTI News

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