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Parents' feeding styles reflect on children's genes: Study

ANI  |  Washington DC, [USA] 

Parents tend to adopt feeding styles in response to their children's natural body weight, which is largely genetically influenced, a recent study suggests.

The research challenges the idea that a child's weight largely reflects the way their parents feed them. With at critical levels, researchers are looking for environmental factors which could explain why more children are developing overweight.

The way a parent feeds their child is thought to be a powerful shaper of their children's eating behaviour: rigid restriction is thought to cause weight gain because children overeat when the restriction is no longer in place (called the 'forbidden fruit' effect); while pressuring a child to finish everything on the plate is thought to provoke anxiety in children with low appetites and compromise weight gain.

Published in PLOS Genetics, researchers looked at the relationship between a child's genetic predisposition towards a higher or lower weight and their parent's feeding practices.

It is well established that body weight has a strong genetic basis, with up to 80 per cent of differences between people accounted for by genetic factors.

Lead author, said, "found that parents whose children were genetically predisposed to have a lower weight were more pressuring of them to eat, and those parents whose children were genetically predisposed to have a higher weight were more restrictive over how much and what they were allowed to eat."

According to the researchers, the findings suggest that parents develop their feeding practices in response to their child's natural tendency towards a higher or lower weight. The way a parent feeds their child may also influence their child's weight to some extent, but our results challenge the prevailing view that parental behaviour is the major influence on childhood weight.'

The study included data from around 4,500 twin pairs who were born in England and between 1994 to1996. By comparing twin pairs, the researchers found that many of the genes that influence individual differences in children's weight also influence parental feeding behaviour, so that genes linked to higher weight were linked to restrictive feeding practices while genes linked to lower weight were linked to pressuring feeding practices.

Even within families where non-identical twins differed in their genetic predisposition, parents were more restrictive with the twin who had a tendency to be of a higher weight and were more pressuring of the twin who had a tendency to be of a lower weight.

"These results show that parents are not the 'full story' when it comes to a child's weight, and blaming parents for being too controlling about feeding may be unfair. But it is unclear whether these natural 'go to' strategies are helpful, harmful, or of no consequence to a child's weight in the long run," said Dr Clare Llewellyn, of the study.

(This story has not been edited by Business Standard staff and is auto-generated from a syndicated feed.)

First Published: Wed, November 21 2018. 20:00 IST