Worry has historically played a vital role in our survival and it helps us cope with many of the challenges we face today. At the same time, worry that is too intense and too unrelenting can definitely cut down on your happiness and enjoyment of life.
Some people find holes -- and images of holes -- deeply upsetting, even terrifying. These people suffer from a common but little-known phobia known as trypophobia. As with most irrational fears, the origins of trypophobia are unknown.