If the mucus is clear this could be a warning sign of a tumour, and definitely time for a check up.
However, if it's thick and not the usual colour this could be a sign that you're battling a sinus infection.
Confused Apple customers are finding coins in their MacBooks.
High levels of iron help prevent hearing loss, a study has claimed.
A software engineer has constructed a fingernail-sized engine made of paper and it totally works!
Conspiracy theorists claim that there is a mysterious alien based pyramid in the Antarctic.
Toblerone design shape change angers some loyal chocolate lovers in the UK.0 comments
Britain to experience up to 120 days of snow in coldest conditions in years.
More than 40 perfectly preserved ancient shipwrecks accidentally discovered at the bottom of the Black Sea.
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