If you have a habit of sipping water with foods especially sugary treats and also struggle to maintain a steady blood sugar stop this habit of yours right away. Water along with your sugar treats is just going to spike your blood sugar level postprandial or after eating the snack (with water). While conducting a new study researchers analysed blood sugar levels of people who ate jam doughnuts with or without water and noted their blood sugar levels. Scientists from Suriname in South America found those who washed their sweet treat down with water had higher levels of blood sugar