what is the truth about formula feeding a few days old baby using feeding bottle?.Some people says it affects their heart or lungs

A. bottle feeding should not be given before 3 months. give by wati spoon, if breastmilk is low. Bottle feed- Not as efficiently utilized/absorbed as breast milk.Nutritional content depends on proper preparation (human error).Some babies have difficulty tolerating certain nutrients Breastfeed- Contains high levels of nutrients Easily digested and absorbed Content varies according to the milk production stage, which meets the changing nutrition requirements.