What are the most common health dangers associated with cocaine addiction? Imagine waking up in a hospital bed, unable to see, with eyes so red they scare people away. This was the reality for one man ...

Some herpetologists consider kinking a response to feeling threatened. Others have reported it occurring without apparent ...

While lust is driven by a strong physical desire, attraction and attachment encompass a strong emotional relationship or ...

A study finds men’s pupils dilate strictly according to their sexual preferences, and women’s pupils dilate more variably ...

Perhaps the most unpleasant part of an eye exam is when the doctor squeezes in the dreaded drops to dilate your pupils. They sting your eyes, blur your vision and leave you squinting at screens ...

For adults with type 1 diabetes, it’s recommended that you have a dilated eye exam within 5 years of being diagnosed, and then shift to an annual exam.

Can’t the eye doctor examine your eyes and test for glasses without dilation? The answer is not completely.

An optical illusion has gone viral because of the way it uses a clever brain trick to dilate your pupils, but it doesn't work on everyone - are you immune to it?

Here are the reasons why everybody needs their pupils dilated for a yearly eye exam, especially after the age of 60.

Newsweek spoke to an expert about why a cat's pupils might dilate differently, and what owners should do about it.

However, lesbian women 's pupils also dilated more in response to erotic imagery of men, and heterosexual women's pupils dilated for erotic imagery of men and women. Are large pupils more attractive?

In romance novels and online advice columns, enlarged pupils are commonly enlisted as imagery to indicate sexual arousal and attraction. So, what’s the science say?