What cause the shivers down the spine...??

i do get shivers down my spine relatively often, and freaks me out everytime be having more commonly these past months my friends vote it's sugar rush some say it's backbone but I don't know what to believe

Answer:
it depends in what contects you,r discussion in it can be adrenaline suppose you,r watching a worrisome movie its a natural gaurd against nervousness and if your getting them for no good drive see you,r doctor
ice cubes down the jersey!
itz nerves
it mean's someone is saying obnoxious things about you.
I'm sure there's in the order of a million things that have symptoms of shivers down the spine. Talk to your doctor at your subsequent physical if it's really bothering you.
Fear causes the 'shivers down the spine'.
To procure rid of it just meditate..
I go and get cold shivers through my heart region, which is even more freaky. I've asked on here several times and no one seem to share it.
It is an old reflex adjectives from our distant (very very distant) ancestors. The shiver would motivation the hair on the stern (if we'd still have any) to stand up and kind the animal (i.e. our very primitive ancestor) appear larger, and thus intimidating to a potential aggressor.
Now, anything that would disturb you and that you may somewhat grain like a threat would trigger the reflex.
Don't dismiss it as pointless, it worked for our distant and primitive ancestors, if not we would not be here, right?
The end scene surrounded by Armageddon, It gives me the shivers everytime I monitor it!
pilo-erection is the phenomenon of the hair standing on fall. It is a reflex.
Your girlfriend...
She causes mine anyway :-)
Peristalsis white horses
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