Without an understanding of the strategy, and the science that informs it, our tactics will not mean much, and you’ll forever ride the merry-go-round of fad diets and trendy workouts and miracle supplements. You’ll be stuck in a Medicine 2.0 mentality, seeking a quick fix to your problems. The only way to become an adroit tactician is to shift your mindset to Medicine 3.0, which requires becoming a master strategist first.