Complex sentence: In contrast, as they get older, their intake of sugary beverages increases.A good majority of children grow to have a level of intolerance to milk and another good percentage grow to not like the taste of milk.
Split into simpler sentences: In contrast, as they get older, their intake of sugary beverages increases. Many children grow to have a level of intolerance to milk and another significant percentage grow to not like the taste of milk.