Biohacker Summit 2015 opens with Ben Greenfield’s “Biohacking vs Nature”, Ben is an ex-bodybuilder, Ironman triathlete, Spartan racer, coach, speaker and author of the New York Times Bestseller “Beyond Training: Mastering Endurance, Health and Life”. Ben starts his presentation with a Warrior breathing technique, which he practices every day to boost his energy. This technique involves hyperoxygenating the body with fast and deep nasal inhale followed by a quick exhale in sets of 50-40-30-20 and deep breath in and out in between. The technique apparently works as Ben receives a burst of applause. According to Ben it is essential to find a balance between living in nature and biohacking. See below his 10 ways to get most out of biohacking without losing the connection with nature: Quantified self. Ben is not convinced that constantly tracking the body with various wearable devices is healthy because the signal they emit may disrupt the blood brain barrier and cause low-level radiation. Ben poses a question whether one really needs data from various devices. Nevertheless, he agrees that these are great tools to look at how different habits affect different aspects of life. He spends only 5 minutes a day to track his heart-rate variability – the …