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?

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