Functional Training Is The Future: Safe, Effective, Inexpensive, Scientific Exercise davidwolfeJanuary 15, 2016 Personal trainers. There are some great ones. It is a saturated field. It is very rare to find someone who has made a major impact in this area. Someone who has... Beauty Natural RemediesCultureDavid Wolfe NewsFeaturedHealth & LongevityInspirationLifestyleMotivationNatureResearchScienceVideos 2