To keep your weight in a healthy range, focus on permanent changes to your eating and exercise habits. The number of people suffering from diabetes increased from 108 millions in 1980 to 422million in 2014. My Wife also takes a small amount injectable insulin twice daily. Do not disregard professional medical advice. Plus, habits become more ingrained and are harder to change. Insulin is needed to move glucose into cells where it is stored or used for energy. You can improve your mood by reducing high and low blood sugar symptoms, such as mood disturbances. This is stored in your liver, and your muscles. There are increasing concerns about the connection between Covid and diabetes, but it's not clear what this means for your health. Check more if things around you change such as, a new insulin routine, a different work schedule, an increase in physical activity, or travel across time zones. This can lead insulin resistance, which means that your body stops producing insulin.