There is no meal in the Indian cuisine that ends without something sweet on a festival day. The need for 'meeta 'on the plate is a compelling tradition. In fact, this is a common occurrence in many traditions. The past couple of weeks have been extremely stressful and I was surprised when one of my children wished to have something sweet to have. It set me thinking. What prompts our sweet tooth to awaken? Like any other animals species, our lookout for sugar is a sustenance model we have cr...