Khaberni - Pain tolerance varies from person to person, but there are some conditions that humans suffer from that are so ...

New research reveals people with visual snow syndrome experience heightened face pareidolia, mistaking everyday objects for faces more frequently. This condition, characterized by constant visual ...

A metabolism test provides a snapshot of certain hormone levels to understand how your body converts calories into the energy that fuels every physical, biological, and mental activity. These tests ...

Psychology Today's online self-tests are intended for informational purposes only and are not diagnostic tools. Psychology Today does not capture or store personally identifiable information, and your ...

Allergies, dehydration, medications, and eye diseases are common causes of glassy eyes. Lubricating eye drops, allergy medications, and lifestyle changes can treat smooth, glossy, or watery eyes.

Blepharitis can cause a burning, sandy, or gritty sensation in one or both of your eyelids. Pink eye, also called conjunctivitis, can make your eyelid and conjunctiva swollen. Home remedies for a ...

Under the right conditions, a human eye can look as if it is filled with tiny stars or shimmering tinsel. That sparkle is not a camera filter or a fantasy trope, but the visual signature of a handful ...