HeadInjury
- Health
How Do I Know If I Have a Concussion?
Symptoms of a Concussion A concussion is a type of traumatic brain injury (TBI) that occurs when the brain is jolted or shaken inside the skull. The symptoms of a concussion can vary widely and may not always be immediately apparent. Some symptoms may show up right away, while others may take several hours or even days to develop. Common…
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How Long Do Eyes Stay Dilated?
Understanding Pupil Dilation Pupil dilation refers to the widening of the black part in the center of the eye called the pupil. The pupil dilation process is controlled by the iris, the colored part of the eye that surrounds the pupil. The iris has muscles that control the size of the pupil in response to changes in light intensity or…
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