Aformula-fed baby is more likely to than a breastfed baby. get more iron have more allergies visit the doctor less have more protection against diseases

The answer is Have more allergies.
The type of nutrient intake that babies have in early development would affect the stability of gut microbiomes that exist in their body.
Breastfeed babies tend to have more microbiomes that help them fight of foreign objects that come inside their system, and prevent allergies.