- Time of past OR future Camino
- Francés, Norte, Salvador, Primitivo, Portuguese
Apparently, it boosts the immune system in older adults. This study was done on long distance cyclists, but I would imagine that long distance walkers would reap some of the same benefits.
http://www.bbc.com/news/health-43308729
http://www.bbc.com/news/health-43308729