The crossword solution for the term 'What You Eat, To A Dietitian' is 'INTAKE'. Dietitians are health professionals who specialize in nutrition and dietetics. They assess, diagnose, and treat dietary and nutritional problems at both individual and public health levels. As part of their job, they ask patients about their dietary intake, which is the amount and type of food they eat. Therefore, the answer to the crossword clue is 'INTAKE', as this is what a dietitian would refer to when asking a patient about their diet.