A Type 2 diabetes patient reported that switching to a vegan diet for about two weeks coincided with a sharp improvement in blood sugar, and the account drew strong encouragement from other users who described comparable experiences. What happened? According to the post on r/PlantBasedDiet, their blood sugar had been running between 15.5 and 17 mmol/L before the diet change. After around 14 days of eating plant-based, they said the number fell a…