They have been around since the first sentient beings, all sentient beings have fears. Although, they weren't known as "Phobia's" until the late greek period, all phobia names are greek as "Phobia" is greek for fear and the beginning word (Eg necro for fear of death) is greek for whatever the fear is of (so "Necro" means death in Greek)
You can find a list of phobias on websites dedicated to mental health and psychology, in books about anxiety disorders, or on websites of organizations such as the American Psychiatric Association. There are also specialized resources like the DSM-5 (Diagnostic and Statistical Manual of Mental Disorders) that list and categorize phobias.
There have been phobias of pie in many countries.
how long has deforestation been around
As long as guns have been around.
Advances in neuroimaging have also led researchers to identify certain parts of the brain and specific neural pathways that are associated with phobias.
The phobia of phobias is Phobophobia.
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As long as So Random has been around.
There are very weird phobias, like levophobia, fear of things on the left side of the body. Or Hippopotomonostrosesquipedaliaphobia, or fear of long words. If you go to www.phobialist.com, you'll find hundreds of them. I recently wrote a 10 page paper on phobias, and this website was my main source.
Phobia Being scared of things Such as Bannaphoia
They have always been around
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