1. Study involved 2,111 older adults aged 60-79.
2. Compared structured lifestyle vs. self-guided intervention.
3. Structured group showed better cognitive improvement.
4. Improved global cognitive function measured through specific tests.
5. High adherence in both groups with structured group having fewer adverse events.
6. COVID-19 was the most reported adverse event.
7. Needed further research on long-term cognitive outcomes.

Source: JAMA Network