A: Maddi, your daughter should be on formula up to her first birthday then on whole milk until her second birthday.

As for soda, I don't recommend it for children. Aspartame, the non-nutritive sweetener found in diet sodas is not appropriate for young children. Additionally, carbonation can affect the enamel on developing teeth. When my children were young, we would give them a juice box as a treat rather than juice in a cup. This was special to them but still provided the nutrition that they needed.