Why does our body have reactions that we cannot control
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Why do we cry when we cut onions? - When we prepare a dish with this delicious vegetable, we often end up crying. Do you know why?
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Crying while cutting onions - Onions release a chemical substance that produce a gas, according to The New York Times.
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Crying while cutting onions - After reaching the sensory nerves in our eyes, the gas causes us to tear up as a sort of defense mechanism.
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Why do we get goosebumps? - Sometimes we get goosebumps when we hear a song that evokes an emotional response or when we feel cold.
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Why does our body have reactions that we cannot control? - To lessen the feeling of being cold, the brain stimulates the little hairs on our body.
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Why do our eyelids quiver? - Do you know why you suddenly feel your eyelid twitching?
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Eyelid twitches - Eyelid spasms can have various causes, including fatigue, stress, and excess alcohol or caffeine, according to Health Line.
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Why do we yawn when someone else does? - Yawning can be a sign that you're tired but why do you yawn when you see someone else doing it?
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Contagious yawning - According to TIME, it can be a sign of empathy, such as smiling or frowning when someone else shows the same reaction.
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Contagious yawning - Younger people are more likely to experience this effect than older people.
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Why do we experience pins and needles? - Have you ever felt your foot fall asleep or had that sensation of pins and needles in certain areas of your body?
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Pins and needles - The scientific name of this sensation is temporary paresthesia, according to Health Line.
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Pins and needles - Too much pressure on a nerve for an extended period of time can cause this sensation, according to a specialist on CNN.
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Why do our ears burn and get red? - Have you heard that when your ears get red and feel like they're burning it means someone is saying bad things about you?
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Burning, red ear - One of the reasons that we actually have this sensation is a dilation of the blood vessels, according to Live Strong.
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Burning, red ear - Excess sun exposure can also explain the sensation. According to the same site, another common cause is hormonal alterations.