A doctor in the house
Brushing your teeth twice a day should keep the dentist away. But if a group of scientific researchers have their wish, it will make the rest of your body healthy too.A toothbrush that checks blood sugar and bacteria while you brush is currently in development in the USA. It is one of many gadgets proposed by engineers and doctor at the center for Future Health in New York others include a pair of spectacles that help to jog your memory,and a home camera designed to check for cancer.