Explain causes of Delirium and Dementia

Delirium and dementia are two distinct neurological conditions that can affect cognitive function, but they have different underlying causes and manifestations. 

1. Delirium:
Delirium is a sudden and severe change in mental function that can occur due to various medical conditions. Some common causes of delirium include:

a. Infections: Serious infections like urinary tract infections, pneumonia, sepsis, and other systemic infections can lead to delirium, especially in older adults.

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