NEW YORK (Reuters Health) - Overweight preschoolers who keep a additional pounds have a heightened asthma risk during age seven, though a baby fat doesn't seem to matter for kids who slim down, a new investigate suggests.
Researchers found that of some-more than 2,000 Swedish children they followed to age eight, those who were overweight or portly during age 7 were some-more expected to have asthma than their thinner peers.
That was loyal either or not they were overweight progressing in life.
In contrast, children who were complicated as toddlers or during age four, though not during age seven, were no some-more disposed to asthma than kids who'd always been normal-weight.
The good news for relatives is that children who are corpulent early in life mostly see their weight "normalize" by propagandize age, according to lead researcher Jessica Ohman Magnusson, of a Karolinska Institute in Stockholm.
But if a additional weight persists after age four, she told Reuters Health in an email, relatives might need assistance in handling their child's weight in a healthy way.
Magnusson and her colleagues contend a commentary also destroy to support a thought that children's additional weight is a means of asthma.
A series of studies have found that complicated children have a aloft risk of asthma, or some-more serious symptoms. But either a additional pounds are a means is not clear.
"We don't consider we can contend that overweight is causally compared with asthma -- that is, that overweight causes asthma," Magnusson said.
That's since early-childhood pounds were not tied to asthma risk in cases where children eventually became normal-weight, she said. It's probable that other factors, and not weight itself, explain because children who sojourn complicated have an increasing asthma risk.
The findings, reported in a biography Pediatrics, are formed on some-more than 2,000 children followed from birth to age eight.
Overall, 6 percent of a eight-year-olds had asthma, while 10 percent of a kids who were overweight during age 7 did.
The researchers afterwards deliberate other factors -- like parents' story of allergies, and either a mom smoked during pregnancy. They found that being overweight during age 7 was related to a doubling in a risk of asthma.
That was loyal of seven-year-olds who'd been normal-weight progressing in life, as good as those who'd been complicated during age four.
At any age, there were around 300 children in a investigate organisation who were overweight. But fewer were steadfastly heavy; 122 children remained overweight from a age of one to age seven.
So relatives should feel reassured, Magnusson said, that those early additional pounds mostly do not last. And formed on these findings, children whose weight normalizes might not have an increasing asthma risk.
SOURCE: http://bit.ly/tVwsye Pediatrics, online Dec 19, 2011.
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