Complex sentence: One review reported that 70% of children will outgrow this allergy by 16 years, and children will be able to tolerate eggs as an ingredient in baked goods and well-cooked eggs sooner than under-cooked eggs.
Split into simpler sentences: One review reported that 70% of children will outgrow this allergy by 16 years. Children will be able to tolerate eggs as an ingredient in baked goods and well-cooked eggs sooner than under-cooked eggs.