The search for happiness is an endless one, and not always an easy one. Now, new research has found that happiness really does grow on trees. Or from the dirt. (Now who would have thought to look there?)
Hidden in the walls of our digestive system is something extraordinary. Scientists have known about it for a while, but new technology is taking the research to the cutting edge. What is being discovered there will revolutionise the way we think about mental and physical health.