I'm 43 and started primal nearly three weeks ago with the intention of losing a few pounds. After only a few days the higher energy levels and not feeling constantly tired spurred me on. Just finished reading the book and so much of it was light bulb moments. Losing weight is now a nice side effect (half a stone so far), the health benefits are enough to ensure that this is a change for life.
Looking forward to reading how others have found primal