If not managed correctly, high blood sugar in diabetics can damage blood vessels and lead to a variety of illnesses. Unmanaged diabetes doubles the risk of cardiovascular diseases such as coronary artery diseases and stroke. [3, 4] Diabetes can damage small vessels in the eyes, kidneys, and nerves and lead to complications such as blindness and kidney disease. 
Emerging evidence suggests that eating this way may offer protective effects for those with and at risk for type 2 diabetes. For one, Mediterranean eating improves blood sugar control in those already diagnosed with the condition, suggesting it can be a good way to manage the disease. What’s more, given those with diabetes are at increased odds for cardiovascular disease, adopting this diet can help improve their heart health, according to a paper published in April 2014 in the journal Nutrients. (4)
Adherence to the DASH-style pattern may also help prevent the development of diabetes, as analyzed in a recent meta-analysis, and kidney disease as found in the Atherosclerosis Risk in Communities (ARIC) cohort that followed more than 3700 people who developed kidney disease. [8, 9] Dietary components of DASH that were protective in the ARIC cohort included a high intake of nuts, legumes, and low-fat dairy products. A high intake of red meat and processed meats increased kidney disease risk.
^ Ketogenic "eggnog" is used during induction and is a drink with the required ketogenic ratio. For example, a 4:1 ratio eggnog would contain 60 g of 36% heavy whipping cream, 25 g pasteurised raw egg, saccharin and vanilla flavour. This contains 245 kcal (1,025 kJ), 4 g protein, 2 g carbohydrate and 24 g fat (24:6 = 4:1). The eggnog may also be cooked to make a custard, or frozen to make ice cream.
As I wrote in op-eds for the Wall Street Journal61 and Medscape,62 the Lancet Public Health study is based on very thin data. The questionnaire underlying the report left out questions regarding popular foods, such as pizza and energy bars, and did not consider alcohol consumption. Moreover, the “low-carb” diet group in this study included people eating up to 37% of calories as carbohydrates—not low-carb according to the latest science. Ultimately, this is the kind of data that can show association but not establish causation, which means it is the kind of data one can use to generate hypotheses but not prove them. This kind of data would never be considered sufficient to approve a drug, for instance. The same standards should be applied to diet. Quite a few researchers, including myself, had our critiques published in Lancet Public Health.63 The authors replied but did not respond to most of the criticisms.
Voted the "Best Diet Overall" for the past eight years in a row by U.S. News & World Report, the DASH diet can help you meet and maintain your health goals. The original intention of the DASH Diet (Dietary Approaches to Stop Hypertension) was to help lower high blood pressure (or hypertension), which research shows it does well. But even if you don't have high blood pressure, you might benefit from trying the DASH Diet, as research also shows it promotes weight loss and combats diabetes, all while being easy to follow and nutritious.
Many diets, including Atkins and the keto diet, fit into this umbrella. A typical low-carb diet limits carbs to less than 60 g daily, but this can vary, according to the Mayo Clinic. (15) In a September 2015 review published in PLoS One, people following low-carb diets saw modest weight loss — although study authors note that long-term effects of the diet require further research. (16)
Two additional shortcuts that can easily be worked into a DASH diet plan are meal prepping and batch cooking—both of which are important for quick, healthy eating. Meal prepping doesn’t have to mean cooking a full meal, either. It’s just preparing components that can be used to toss together a quick meal—like baking chicken breasts, roasting vegetables, and cooking a whole grain like quinoa. You can also minimize time spent in the kitchen by buying weekly salad greens, bags of pre-cut veggies, and prepping produce at the start of the week.
A ketogenic diet helps control blood sugar levels. It is excellent for managing type 2 diabetes, sometimes even leading to complete reversal of the disease. This has been proven in studies. It makes perfect sense since keto lowers blood-sugar levels, reduces the need of medications and reduces the potentially negative impact of high insulin levels.