What are the Risk Factors of Hyperglycemia?
Risk factors for having blood glucose levels generally revolve around insulin resistance. The following are some of the major risk factors for hyperglycemia:
- High body fat percentage 
- Family history of Type 2 Diabetes 
- Diseases that cause impaired insulin sensitivity (such as PCOS) 
Additionally, individuals of Hispanic, Asian, Pacific Islander, Native American, and African American descent are more likely to develop high blood sugar. 
What are the Symptoms of High Blood Sugar?
Symptoms of hyperglycemia include:
- Polyuria (increased urination)
- Polydipsia (increased thirst)
- Weight loss
When left untreated hyperglycemia can lead to serve neurological issues and cause nerve damage. Long-term complications can be life-threatening and include retinopathy (damage to the retina) and neuropathy (damage to nerves).  
How is Hyperglycemia Treated?
High blood glucose is treated with dietary and lifestyle interventions and/or insulin (when necessary). Type 2 diabetes may also be treated with diabetes medication, like metformin, which works to lower blood glucose levels. 
Can the Ketogenic Diet Lower Blood Glucose Levels?
The simplest way to lower blood glucose levels is to reduce the consumption of foods high in glucose. This is the reasoning behind utilizing a ketogenic diet in the treatment of hyperglycemia.