Phobias come in many forms: Some people fear spiders while others fear flying on a plane.
But the one thing they all have in common is that they're irrational, according to one phobia specialist.
This trigger is handy when we were fighting saber-toothed tigers or if we were in actual danger, Jones said.
"Human beings do the same thing," Jones explained.
He shared his three top tips to overcome any fear with CNBC Make It.
Persons:
Christopher Paul Jones, Jones, Ivan Pavlov
Organizations:
CNBC
Locations:
London, Russian