Recent research shows that gut health is linked to a wide range of issues: depression, thyroid disorders, skin conditions, Type 2 diabetes and many other physical and mental ailments.  “Your gut is your second brain,” explains Dr Saliha Afridi, clinical psychologist and managing director of The LightHouse Arabia. “It is full of a network of nerves — called the enteric nervous system — that extends along the entire digestive tract from the esophagus, through the stomach...