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Tag: Four ds

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What is 4D's Disease? Clarifying the Many Meanings of the 'Four Ds'

4 min read
Approximately 70% of people with epilepsy have an unknown cause for their condition, highlighting the challenge of diagnosing many disorders. The seemingly specific query 'What is 4D's disease?' is similarly complex, as there is no single illness by that name; instead, the 'Four Ds' is an acronym referring to multiple, distinct medical and psychological frameworks.

Pellagra: The Deficiency Disease Known for the Four Ds

4 min read
Historically, pellagra was an epidemic in the southeastern United States in the early 20th century, but today it is rare in developed countries due to fortified foods. Pellagra is the deficiency disease that produces the symptoms known as the four Ds, and it is caused by a severe lack of niacin (vitamin B3).