The Disease That Prevents You From Feeling Physical Pain
Congenital analgesia is a rare condition in which a person is born without the ability to feel physical pain. This can be caused by genetic mutations that affect the functioning of the nervous system, including the pathways responsible for processing pain signals. People with congenital analgesia are unable to perceive any type of physical pain, including pain caused by injury, inflammation, or illness. While this may sound like a desirable condition, it can actually be quite dangerous, as the ability to feel pain is an important protective mechanism that helps prevent injury and illness. People with congenital analgesia are at risk of sustaining injuries or developing illnesses that they may not be aware of, as they do not experience the pain that would normally alert them to seek medical attention. As a result, they may have a shorter lifespan and a higher risk of complications from injuries and illnesses.
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verywellhealth.com/fatal-familial-insomnia-overview-4588665