Dr Phil Kieran: What can I do to build my child's immune system?

A healthy immune system is the holy grail — good sleep, skincare, and good ventilation are all part of our line of defence

A nutritious diet, plenty of water and not too much sugar can go a long way towards building gut health

What can I do to build my child's immune system?

A robust immune system is the holy grail not just of parents but doctors in all specialities, sports coaches and employers. If anyone invented a supplement that reliably boosted immune function, they would likely be an overnight billionaire.