Low carbohydrate and sugar free diets will reduce your blood sugar levels and will help to reduce your insulin levels. High insulin levels may lead to a condition called “metabolic syndrome”, which is the root cause of many modern illnesses like obesity, type 2 diabetes, high blood pressure leading to heart attacks and strokes, and even some mental health conditions like anxiety, depression, dementia, parkinsonism, etc., which are, to a large extent, now preventable by a few lifestyle changes.