Add Yahoo as a preferred source to see more of our stories on Google. As you grow older, life sometimes takes on a different hue, and with it, new interests and obsessions can unexpectedly emerge.

A decade and a half ago, TLC turned a voyeuristic lens to everyday people with unusual habits in the reality show My Strange Addiction. But the show more often than not covered obsessions rather than ...

The obsession can lead to the acquisition of vast knowledge about bird species, migration patterns, and their habitats. It’s not uncommon to find birdwatchers who can identify a bird just by its call, ...