Although the risk is very low, stifling a sneeze can cause a ruptured eardrum, rupture of superficial blood vessels to the eye or nose, throat or neck damage. Less commonly, holding in a sneeze can ...

A subconjunctival haemorrhage, a harmless red patch on the eye, often results from minor triggers like coughing or eye rubbing and typically resolves within two weeks. While usually benign, especially ...

Scientists have found that they may be able to use the retina's blood vessels to help predict a person's heart disease risk and see how fast they are biologically aging.