Based on the history you have provided, diabetics are unable to fully metabolize the absorbed sugar because of damage to their own pancreatic islet cells. This causes diabetes. And you said cashews belong to the nut food, it contains a relatively high calorie, try to eat as little as possible, it is best not to eat. Advice:It is recommended that you should follow a strict diabetic diet and moderate outdoor exercise. Try not to eat foods that are high in sugar and calories. Adhere to take glucose-lowering drugs on time and in accordance with the amount.