by Cassandra R. Hatt  , Aaron M. Eakman  and Allison A. M. Bielak

Received: 17 December 2025;  Published: 09 June 2026;  doi: 10.21926/obm.geriatr.2602339

Multiple theories from the psychological and occupational therapy sciences suggest that there may be reciprocity between activity selection and the meanings we draw from them. As such, meaningfulness may be an important contextual mechanism through which activity engagement positively influences cognition, but no research has examined these links in healthy middle-aged and older adults. This study examined the predictive ordering of the associations between activity engagement, meaningfulness, a [...]

by Julia Baumann  , Eva Bönzli  , Franziska Wandrey  and Torsten Grothe

Received: 07 June 2026;  Published: 09 June 2026;  doi: 10.21926/obm.geriatr.2602338

The complex process of skin aging results in noticeable changes, including decreased collagen content, reduced elasticity, and decreased hydration. Interventions to preserve or restore collagen, a key structural protein, may help counteract these signs. The concept of "beauty from within” through nutritional supplements is of growing interest, particularly the use of plant-based alternatives to animal-derived or synthetic collagen. This study investigated the anti-aging potential of an extr [...]