Fans of pop mega-star Taylor Swift are in their obsession era. As the star continues her international Eras Tour, "Swifties" around the world aren’t holding back on expressing their Taylor love.
But the fandom extends far past Swift, since celebrity infatuation has spanned generations including the passion and mania for The Beatles to the admiration of Harry Styles.
In an interview with Fox News Digital, NYU Langone psychologist Dr. Yamalis Diaz explained what occurs in the human brain when someone adores a celebrity.
Teens and young adults are at a "very sensitive developmental period," said Diaz, who specializes in child and adolescent psychology.
Read more on foxnews.com