https://www.nuasoundtherapy.co.uk/post/reflections-from-a-holistic-health-summit-hydrogen-postbiotics-and-staying-curious 2026-10-28 https://static.wixstatic.com/media/4b2f03_5d71eceafd2e46babad39e71b2b7c46e~mv2.jpg A speaker on stage at the Health Optimisation Summit.