I’ve been lucky enough to travel to interesting places. The trips I’ve taken in the last 10-15 years, during my “Primal period,” have been the most meaningful, rewarding, and downright enjoyable because I’ve been able to view other cultures and customs through the prism of health, nutrition, and human evolution. I bring something back every trip—a tip, an insight, an alteration of an existing conviction. Travel abroad isn’t just a good time. It’s educational. What have I learned eating abroad? (This Mark's Daily Apple article was written by Mark Sisson, and is narrated by Tina Leaman)