Sugar may be sweet, but it’s gained a bad reputation lately, and its rap sheet seems to just keep growing. Studies link its consumption to afflictions like diabetes, obesity, heart disease, cancer. A new University of Utah study suggests that sugar isn’t even healthy at supposedly “safe” doses. It could reduce reproduction rates and lead to an early grave. Tuesday we’re putting sugar under the microscope. We’ll take a peek at its cultural history, and we’ll also inspect the growing case for labeling sugar a toxic ingredient.