Giving a baby solid food besides breast milk after the 17th week of its birth helps it develop a better stronger immune system to fight food allergies new research has found. The University of Southampton study led by dietician and senior research fellow Kate Grimshaw revealed that introduction of solid food before this may promote food allergy whereas solid food introduction after the 17th week seems to make the immune system stronger. ‘Introducing solid foods alongside breastfeeding can benefit the immune system’ Grimshaw said. ‘It appears the immune system becomes educated when there is an overlap of solids and breast