Australian kids outgrow food allergy by the age of four

  • Children with a food allergy will have outgrown it by the age of four, study finds
  • Kids who have pet dogs early in life are less likely to develop the food allergies
  • Prevalence of food allergies among Australian children is still remarkably high
  • The Murdoch Children’s Research Institute (MCRI) has released new findings

Australian Associated Press

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Nearly two thirds of children with a food allergy will have outgrown it by the age of four, a new research has found.

And children having pet dogs early in life will reduce the risks of developing food allergies, the Murdoch Children’s Research Institute (MCRI) has revealed.

However, the prevalence of food allergies among Australian children is still remarkably high compared to other countries.

Outgrowing egg allergy was the main driver of this change, dropping from 9.5 per cent to 1.2 per cent (stock image)

Outgrowing egg allergy was the main driver of this change, dropping from 9.5 per cent to 1.2 per cent (stock image)

Outgrowing egg allergy was the main driver of this change, dropping from 9.5 per cent to 1.2 per cent (stock image)

Kids who have pet dogs early in life are less likely to develop the food allergies, study found

Kids who have pet dogs early in life are less likely to develop the food allergies, study found

Kids who have pet dogs early in life are less likely to develop the food allergies, study found

Conducted at the Australian Centre of Food and Allergy Research, the findings of a ‘robust’ study involved more than 5,000 kids, recruited at the age of one.

The HealthNuts study showed food allergy reduced from 11 per cent at age one to 3.8 per cent, or 1 in 25, at age four.

Outgrowing egg allergy was the main driver of this change, dropping from 9.5 per cent to 1.2 per cent.

The prevalence of peanut allergy fell from 3.1 per cent to 1.9 per cent.

Lead author Dr Rachel Peters, from MCRI, says the study showed up to 50 per cent experienced symptoms of any allergic disease in the first four years of their life.

Asthma prevalence was 10.8 per cent, eczema was 16 per cent and hayfever 8.3 per cent.

Nearly two thirds of children with a food allergy will have outgrown it by the age of four

Nearly two thirds of children with a food allergy will have outgrown it by the age of four

Nearly two thirds of children with a food allergy will have outgrown it by the age of four

The  study showed food allergy reduced from 11 per cent at age one to 3.8 per cent, or 1 in 25, at age four (stock image)

The  study showed food allergy reduced from 11 per cent at age one to 3.8 per cent, or 1 in 25, at age four (stock image)

The study showed food allergy reduced from 11 per cent at age one to 3.8 per cent, or 1 in 25, at age four (stock image)

Children who have pet dogs early in life are less likely to develop food allergies, study found

Children who have pet dogs early in life are less likely to develop food allergies, study found

Children who have pet dogs early in life are less likely to develop food allergies, study found

Importantly, the study also identified risk factors for food allergy.

‘We’ve found that children who have older siblings and children who have pet dogs early in life are less likely to develop food allergies,’ said Dr Peters.

Children born in Australia with Asian-born parents had higher rates of food allergies, she said.

It’s hoped the identification of risk factors will lead to potential intervention to protect kids from a condition that can be life-threatening.

A severe allergic reaction to peanuts can cause anaphylaxis – a medical emergency that results in difficulty breathing and the swelling of the tongue and throat.

Participants of the HealthNuts study will be followed up at age six and 10.

The study is published in the Journal of Allergy and Clinical Immunology.

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