Psychologist Paul Ekman has distinguished between smiles that represent genuine happiness (“Duchenne” smiles), and fake smiles that might be used to feign happiness, or cover some other emotion.

Eye contact serves as a bridge in human interaction. Psychologists have found that when we look someone in the eyes while they’re talking, it sends signals of interest and engagement. This nonverbal ...

It's helpful to know that only infectious conjunctivitis (meaning pink eye caused by viruses or bacteria) is contagious.

Eye specialists say there are ways to mitigate a common eye condition that's typically treated with corrective lenses.