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Current Position:Home » News » Special Foods » Baby Food » Topic

Fruits and veggies lower chances of babies developing food allergies

Zoom in font  Zoom out font Published: 2013-08-14  Origin: BD Live
Core Tip: Babies that eat more fruits and vegetables and fewer packaged foods are less likely to develop food allergies, according to a new UK study that looked at overall diet patterns instead of just specific foods.
Baby food

Babies that eat more fruits and vegetables and fewer packaged foods are less likely to develop food allergies, according to a new UK study that looked at overall diet patterns instead of just specific foods.

"We have been aware that certain diets seem to reduce the risk of allergy in infants," says Magnus Wickman, a professor at the Karolinska Institute in Stockholm, Sweden, who was not involved in the study.

"The mechanism behind that is that we think that different kinds of fatty acids and antioxidants, different kinds of vitamins and essential minerals are good for your health and prevent allergy," he says.

Researchers estimate that up to 8% of children have a food allergy.

Parents are sometimes advised to avoid certain foods as a means of preventing food allergies from starting.

But Kate Grimshaw, lead author of the new study and a researcher at the University of Southampton in the UK, says she is concerned that parents are reducing the nutritional diversity of their infants’ diet without much evidence to back it up.

To see how parents are feeding their infants, and whether that appears to have any influence on food allergies, Dr Grimshaw and colleagues collected food diaries from the parents of 1,140 babies.

The parents typically maintained the diet log for the first year of life, Dr Grimshaw and her colleagues report in The Journal of Allergy and Clinical Immunology.

During that time, 41 children were diagnosed with a food allergy, and Dr Grimshaw’s group compared these infants with 82 similar babies without an allergy.

The researchers scored the babies’ diets based on the combination of different foods they ate.

They found that babies without food allergies scored higher than babies with allergies on a diet that was rich in healthy, often homemade, foods — including fruits, vegetables, poultry and fish — and scant on processed foods such as pre-made meals, potato chips, cook-in sauces and bacon.

"The analysis showed that the infants who were having more fruits and vegetables and less commercially produced baby foods and also less adult foods were the ones who were less likely to develop an allergy by the time they were two," Dr Grimshaw says.

"It’s not that they didn’t have commercially made baby foods — it’s just that they did not have them predominantly in their diet."

The study could not determine why the fresher type of diet seemed to protect against food allergies. And the results do not prove that the dietary patterns caused the differences in allergy rates.

Dr Wickman says that studies on diet and allergy are extremely difficult, and that it is a challenge for researchers to account for other factors that might influence what children eat and their risk for developing food allergies.

Still, it is possible that the foods themselves are responsible.

"We know that there are nutrients in the diet that educate the immune system," Dr Grimshaw says. "And one could argue that if they’re not there in adequate amounts when the child’s immune system is developing, that may be one way that this is working."

Dr Wickman says that there is no evidence that avoiding allergenic foods, such as nuts, fish and eggs, is beneficial in preventing food allergies.

She adds, however, that there is little risk in recommending that parents focus on fresh fruits and vegetables.

"Healthy food has so many good things, and maybe it also can reduce the risk of food allergy in the child," Dr Wickman says.

Doctors and health officials already recommend that children get plenty of fruits and vegetables and avoid junk foods.


 
 
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