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Household insecticides associated with increased risk of childhood leukaemia
January 17, 2006Household exposure to pesticides and risk of childhood acute leukaemia Occup Environ Med 2006; 63: 131-4
Household insecticides may increase the risk of childhood leukaemia, suggests French research in Occupational and Environmental Medicine.
Leukaemia is the most common childhood cancer in France, affecting 43 in every million children every year.
The findings are based on 280 children newly diagnosed with acute leukaemia and a further 288 children matched for sex and age, but free of the disease.
Detailed face to face interviews were carried out with each of their mothers. These included questions about the employment history of both parents, the use of insecticides in the home and garden, and the use of insecticidal shampoos to eradicate head lice.
The risk of developing acute leukaemia was almost twice as likely in children whose mothers said that they had used insecticides in the home while pregnant and long after the birth.
Exposure to garden insecticides and fungicides as a child was associated with a more than doubling of the risk of acute childhood leukaemia. And the use of insecticidal shampoos to eradicate head lice, based on what the mothers had said, was associated with almost double the risk.
The authors say that no one agent can be singled out and a causal relation between insecticides and the development of acute childhood leukaemia "remains questionable,"
They add: "However, the consistency of our results and the results from previous studies suggests that it may be opportune to consider preventive action."
BMJ Specialty Journals
The findings are based on 280 children newly diagnosed with acute leukaemia and a further 288 children matched for sex and age, but free of the disease.
Detailed face to face interviews were carried out with each of their mothers. These included questions about the employment history of both parents, the use of insecticides in the home and garden, and the use of insecticidal shampoos to eradicate head lice.
The risk of developing acute leukaemia was almost twice as likely in children whose mothers said that they had used insecticides in the home while pregnant and long after the birth.
Exposure to garden insecticides and fungicides as a child was associated with a more than doubling of the risk of acute childhood leukaemia. And the use of insecticidal shampoos to eradicate head lice, based on what the mothers had said, was associated with almost double the risk.
The authors say that no one agent can be singled out and a causal relation between insecticides and the development of acute childhood leukaemia "remains questionable,"
They add: "However, the consistency of our results and the results from previous studies suggests that it may be opportune to consider preventive action."
BMJ Specialty Journals
Childhood Leukaemia Current Events and Childhood Leukaemia News RSSMaster gene that switches on disease-fighting cells identified by scientists
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New study aims to reduce risk of childhood leukemia
A study led by Dr Marcus Cooke at the University of Leicester and funded by World Cancer Research Fund (WCRF) UK is looking at whether consuming caffeine during pregnancy might affect the unborn baby's risk of developing leukaemia in childhood.
New analysis finds daycare attendance early in life cuts childhood leukemia risk by 30 percent
Children who attend day care or play groups have about a 30% lower risk of developing the most common type of childhood leukaemia than those who do not, according to a new analysis of studies investigating the link.
NHS should not encourage commercial blood banking
NHS maternity units should not encourage commercial banking of umbilical cord blood, argues a senior doctor in this week's BMJ.
Infections are a major cause of childhood cancer, study suggests
Results from a new study of childhood cancer statistics provide further evidence that common infections affecting mother and baby could play a key role in triggering certain types of the disease.
Is there a link between childhood cancer and overhead power lines?
Children living close to high voltage overhead power lines at birth may be at an increased risk of leukaemia, finds a large study in this week's BMJ.
New research suggests early diet may play key role in protecting against childhood leukaemia
Incidence rates of childhood leukaemia are significantly lower in Asia than in Western countries and delegates at a conference in London (Thursday 9 September) will consider evidence that this may be due to differences in diet pattern.
Increase in childhood leukaemia may be part due to increased light at night
London, UK: International experts will (Wednesday 8 September) consider the evidence for a link between the rise in childhood leukaemia and increased light at night at an international scientific conference in London. The incidence of childhood leukaemia increased dramatically in the twentieth century. The increase has mainly affected the under five age group, in whom the risk increased by more than 50 per cent during the second half of the century alone.
New evidence of radiation risk in childhood leukaemia
Ionising radiation has long been recognised as a cause of leukaemia in exposed children. But delegates at a conference in London today (Tuesday 7 September) will hear how ground-breaking research is now providing evidence that the children of men exposed to radiation may also be at increased risk of developing leukaemia.
Research suggests unborn children may be at risk from environmental pollution
London, UK: New research being presented at a conference opening in London today (Monday 6 September) shows that harmful environmental agents can cross the placenta to reach the developing foetus.
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