Dark MatterFrom a world leading microbiome scientist and surgeon with over two decades of experience comes Dark Matter, a pioneering guide to hacking your microbiome for a healthier life. Our microbiome the complex ecosystem of bacteria, viruses and other microbes inside us is critically important to our health and wellbeing. It is given to us by our mothers at birth, adapts with us as we age, influences our mood and appetites, determines how fast we run and