Eric Dane depicts life with ALS and the struggles with accepting help from family in one of his first acting roles since ...

For more than two millennia, people have watched chameleons swivel their turreted eyes in different directions and wondered ...

The passage of time inevitably brings changes to facial appearance, such as sagging skin, wrinkles, and a less defined ...

While the pupillary light reflex is predominantly controlled by the parasympathetic nervous system, the sympathetic nervous system also plays a vital role in regulating pupil size. The balance between ...