Does the duration of the reproductive phase (years from menarche to menopause) have an impact on the cognitive status in old age?

In this project the aim is to investigate the impact of a physical activity intervention on the gut-brain axis and resulting changes in cognitive performance of elderly. Research in the field of the gut-brain axis is relatively new and there is much to be discovered in future research. Therefore, it would be great to contribute to the general understanding and mechanisms of this gut-brain axis. Furthermore, it would be a great success to find a positive effect of our intervention on the gut microbiota which could result in an overall increase of cognitive performance.