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For people already on febuxostat who never took allopurinol, it is an individual case decision about whether to switch to allopurinol

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It includes conditions such as emphysema and chronic bronchitis, which are typically caused by long-term exposure to irritants such as cigarette smoke, air pollution, and chemical fumes
More substantial cognitive benefits, including memory enhancement and improved learning capacity, typically develop over 6 to 12 weeks as synaptic density increases
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