Glucose comes from the food people eat and it is the sugar that is the source of energy for the cells that make up the muscles and other tissues (mayoclinic.org). It is hard to pin point an exact cause of diabetes, the causes for Type 1 diabetes is unknown. It is believed that Type 1 diabetes is caused by a combination of genetic susceptibility and environmental factors (mayoclinic.org). Type 2 diabetes is typically caused by genetics and environmental factors, but also is caused by excess weight and inactivity such as gaining too much weight and lack of exercise. Type 2 diabetes is seen often in adolescents twenty years old and younger because children and teenagers are commonly known to gain weight and fail to exercise as often as they should. When it comes to diabetes and the different types, weight is a huge factor. Weight loss is factored in when people are undiagnosed with diabetes and they start to lose a lot of weight. Another sign of diabetes is when someone has to go to the bathroom an excessive amount, multiple times a day. People diagnosed with diabetes will have to carefully monitor and take care of themselves and their bodies for the rest of their lives. No matter what type of disease of diabetes someone has, they must maintain a healthy and positive lifestyle in order to live with