April 29, 2008 — Children who attend day care or play groups may be less likely to develop leukemia.
So says Patricia Buffler, PhD, of the College of California at Berkeley. She and her colleagues reviewed 14 studies on leukemia and kids’ social contacts with other children, counting at day care and in play bunches.
Together, the considers included around 6,100 kids with leukemia and 13,700 children without leukemia. The kids’ guardians answered questions around the children’s social introduction to other kids.
“We calculated an in general appraise of impact, which recommends that the reduction in risk may be as high as 30% [and] with the better thinks about as high as 40%,” Buffler tells WebMD.
These findings appear that “early social contacts, as evaluated from day care and other settings, appear to be reliably and altogether with a decreased risk of childhood leukemia,” says Buffler, who displayed the findings nowadays in London at the Causes and Prevention of Childhood Leukemia conference.
“More investigate has to be done to set up this, but it’s been proposed that the prior the child is uncovered to a assortment of infectious specialists, the better the safe system is prepared,” Buffler clarifies. Introduction to other kids at day care and in play bunches gives opportunity for common childhood infections, which may help the resistant framework respond more successfully, concurring to this hypothesis.
“I think the earlier the child is uncovered, the better,” Buffler says. “The crest age for acute lymphoblastic leukemia [the most common sort of leukemia in young children] is 2-5 years of age, so the exposures of interest would take place earlier to that.”
The design Buffler’s group famous wasn’t almost about day care. “We looked at all types of social contact, not just day care, and all sorts of social contact were found to be protective,” says Buffler. She includes that the pattern was weaker for kids with numerous siblings since by being around their brothers and sisters, those kids had plenty of contact with other children indeed in case they didn’t go to day care.
There are three things to be beyond any doubt approximately Buffler’s review.
First, the checked on ponders were observational, so they do not prove that social contacts prevent childhood leukemia. “These types of studies can as it were point to or provide clues about what might be included — in this occasion, disease and a disregulated resistant framework,” says Buffler.
Second, the theory about infection and leukemia chance hasn’t been proven. The reviewers can’t promise that social contact anticipates childhood leukemia, and they’re not blaming childhood leukemia on insufficient social contact.
Third, leukemia is rare among kids. It happens in almost one of each 29,000 U.S. children per year, agreeing to the National Cancer Founded. In spite of the fact that a 30% or 40% drop within the relative chance of leukemia may sound expansive, the in general risk of creating leukemia is still moo.
Still, “the epidemiological data are decently steady and hopefully will stimulate more research on what mechanisms could be involved,” says Buffler.