Can Daily Multivitamins Improve Cognition?

The video discusses a study on multivitamins and their potential impact on cognitive function in older adults. It highlights the difference between improving cognitive function and slowing cognitive decline. The study found a small effect of multivitamins but faced challenges like self-reporting and lack of baseline vitamin level measurement. The results showed a practice effect, with both multivitamin and placebo groups improving scores. The video concludes that while multivitamins might play a role in healthy aging, it's difficult to determine due to various unassessed factors.

What is the 'practice effect' as described in the text?

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What factors could influence the role of vitamin supplementation in healthy aging according to the text?

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