Everyone experiences boogers (dried phlegm) daily. They may seem gross, but boogers are an essential part of your body's immune system. But what are boogers made of and where do they come from?

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 ...

Coughing can trigger the gag reflex and lead to vomiting. Kids in particular have a very active gag reflex and may cough so hard they throw up. Mucus in the chest can also contribute to vomiting if it ...

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 ...

Korin Miller is a writer specializing in general wellness, sexual health and relationships, shopping, and lifestyle trends, with work appearing in Women’s Health, Self, Prevention, Daily Beast ...

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 ...

You’re probably not the first person to ask this question. Mucus is produced by the tissues lining our nasal passages. Often perceived as a mere nuisance, mucus serves a very important role.