Triglyceride: Fats carried in the blood from the food we eat. Most of the fats we eat, including butter, margarines, and oils, are in triglyceride form. Excess triglycerides are stored in fat cells throughout the body. The body needs insulin to remove this type of fat from the blood.
Type 1 diabetes: A type of diabetes in which the insulin-producing cells (called beta cells) of the pancreas are damaged. People with type 1 diabetes produce little or no insulin, so glucose cannot get into the body's cells for use as energy. This causes blood sugar to rise. People with type 1 diabetes must use insulin injections to control their blood sugar.
Type 2 diabetes: A type of diabetes in which the insulin produced is either not enough or the person's body does not respond normally to the amount present. When there is not enough insulin or the insulin is not used as it should be, glucose cannot get into the body's cells for use as energy. This causes blood sugar to rise.
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Scientists in the United States say shift workers getting too little sleep at the wrong time of the day could be increasing their risk of diabetes.
They have found that changes to normal sleep means the body is unable to control sugar levels.