"Growing to love something, and allowing that to change me is not immediate, it is not profound. Nor is it something caused just by reading a handful of books"

Synesthesia is a rare and non-pathological condition wherein the stimulation of a certain sense provokes a secondary perception in another. In short, it makes a person hear sounds upon seeing images, see colors upon hearing music or experience taste when certain words and phrases are spoken.

Alzheimer's disease can be detected decades before onset, using a virtual reality test, a study suggests.