not all people do..
Because some people think the sound made whilst sneezing is achoo.
achoo as in your sneezing
achoo
Yes! "Achoo" is an onomatopoeia because it is used to describe the sound it resembles (in this case, "achoo" is the word used to describe the sound of someone sneezing).
some people say "Achoo" some people say "Hachoo" it depends on who you are.
Some people say "achoo" loudly when they sneeze because it is a reflex reaction controlled by the body's autonomic nervous system. The forcefulness of the sneeze can vary depending on the individual.
The photic sneeze reflex (also known as photoptarmosis, colloquially known as "sun sneezing") is a condition of uncontrollable sneezing in response to numerous stimuli, such as looking at bright lights or periocular(surrounding the eyeball) injection. The condition affects 18--35% of the population, but its exact mechanism of action is not well understood.
The photic sneeze reflex (also known as photoptarmosis, colloquially known as "sun sneezing") is a condition of uncontrollable sneezing in response to numerous stimuli, such as looking at bright lights or periocular(surrounding the eyeball) injection. The condition affects 18--35% of the population, but its exact mechanism of action is not well understood.
some people die from sneezing
An Achoo choo! Train
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That they come in threes.