Life is full of behaviours that may be termed ‘habits’. Taking care of our teeth is one of the most habitual things humans do daily. Few people deny being advised to brush daily, and many dentists recommend brushing twice and flossing once per day as a minimum. Teeth fall out, they get knocked out, some need straightening, and for the most part we somehow reach adulthood with most of our teeth intact. If we continue taking care of our teeth, we can combat the most serious enemy of oral health – sugars and starches. Starch converts to sugar. We consume sugar and starch in many...