Indulgent grandparents may be having an adverse impact on their grandchildren’s health, say researchers.
The University of Glasgow study, published in PLOS One journal, suggests grandparents are often inclined to treat and overfeed children.
The study also found some were smoking in front of their grandchildren and not giving them sufficient exercise.
Lucy Peake, of the charity Grandparents Plus, said grandparents needed to be “better recognised and supported”.
“Grandparents want the best for their grandchildren, and the more they’re informed and enabled to play a positive role in their grandchildren’s lives the better things will be,” said Ms Peake.
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The researchers looked at 56 studies with data from 18 countries, including the UK, US, China and Japan.
The report focused on the potential influence of grandparents who were significant – but not primary – caregivers in a child’s early years.
The review considered three key areas of influence:
- diet and weight
- physical activity
In terms of both diet and weight, the report concluded that grandparents’ behaviour had an adverse effect.
Grandparents were characterised by parents as “indulgent” and “misinformed”, and accused of using food as an emotional tool.
Many studies found they were inclined to feed grandchildren high-sugar or high-fat foods – often in the guise of a treat.
Parents felt unable to interfere because they were reliant on grandparents helping them out.
The study also found that grandchildren were perceived to be getting too little exercise while under the care of their grandparents.
Physical activity levels appeared to be related to whether grandparents were active themselves, or whether there was appropriate space where children could be active.
Some grandparents actively promoted exercise by taking grandchildren to sporting events or the park.
But where grandparents were sedentary, children were likely to be too.
Smoking around the children, even when they had been asked not to, became an area of conflict between grandparents and parents.
Conversely, in certain cases, the birth of a grandchild became a catalyst to a grandparent giving up smoking – or changing their habits.
Lead researcher Dr Stephanie Chambers said: “From the studies we looked at, it appears that parents often find it difficult to discuss the issues of passive smoking and over-treating grandchildren.
“While the results of this review are clear that behaviour such as exposure to smoking and regularly treating children increases cancer risks as children grow into adulthood, it is also clear from the evidence that these risks are unintentional.
“Given that many parents now rely on grandparents for care, the mixed messages about health that children might be getting is perhaps an important discussion that needs to be had.”
According to Grandparents Plus, grandparents are “the largest provider of informal childcare” in the UK.
The charity’s chief executive, Ms Peake, said: “We know that children benefit enormously from having close relationships with their grandparents right through childhood into adolescence.
“What this study shows is that the role they’re playing in children’s lives needs to be better recognised and supported.
“We’d like to see more focus on ensuring that information available to parents about children’s health reaches grandparents too.”
Prof Linda Bauld, from Cancer Research UK, which part-funded the study, said: “With both smoking and obesity being the two biggest preventable causes of cancer in the UK, it’s important for the whole family to work together.
“If healthy habits begin early in life, it’s much easier to continue them as an adult.”
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