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Breast-feeding does not protect children against developing asthma or allergies, a study suggests. A large trial involving more than 13,000 women and children found no evidence of a protective effect.
Previous research has suggested that breast-feeding helps to boost a baby’s immune system and can protect against respiratory infections.
Figures released in May showed that fewer than 1 per cent of women in Britain follow government advice to breast-feed exclusively for the first six months.
The Infant Feeding Survey revealed that 76 per cent of women in 2005 started out breast-feeding, up 7 per cent from 2000. But most had resorted to formula milk within weeks and fewer than half were still breast-feeding by the time their baby was six weeks old. Only one in four women was still breast-feeding at six months.
The new study is published today in the British Medical Journal and involved babies born in 1996-7. Mothers and babies were split into two groups, with the first having breast-feeding promoted and supported in hospitals and polyclinics the women and children attended. In the control group, the hospitals and clinics continued with their normal practices and policies.
Within the first group there was a big increase in women breast-feeding exclusively at three months and they breast-fed for longer. The researchers followed up the children at 6. They were tested for asthma and had tests for allergies to the house dust mite, cats, birch pollen, and mixed grasses.
The researchers, led by Michael Kramer, from the Montreal Children’s Hospital, said: “Whether breast-feeding protects against allergy and asthma has been frequently studied and hotly debated for more than 70 years.” They concluded: “Intervention to promote breast-feeding did not reduce the risk of asthma, hay fever, or eczema at age 6.5 years despite large increases in the duration and exclusivity of breast-feeding.”
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Not all woman have a choice how to feed their baby. Whilst I agree that no study should be published without having reliable facts/numbers, there must be a balanced view if avaliable - it is unbelievable the amount of pressure a woman is put under to breastfeed and the guilt she feels if she cannot
Lisa, Huddersfield, England
Bottle feeding is a risk for colitis (Rigas), ear infections (Duncan) and reflux (Beaudry).
A reminder, colitis, ear infections and reflux are all associated with regressive autism.
Joe, Alamo, California
I'd really like to know who FUNDED this "research." Every single formula-fed baby I know seems to constantly be ill with respiratory infections or asthma and allergies, and a good many of them have skin conditions too. Sounds like formula company trickery to me!
K, Collierville, USA
I breastfed my son exclusively for 8 months and still has ezcema and asthma.
Sam, Swansea, UK
My older brother wasn't breastfed and has asthma and plenty of allergies. I was breastfed and don't suffer from asthma or any allergies that I know of. That's good enough evidence for me.
Emmy, Chelmsley Wood,
An irresponsible, sensationalist - and potentially very damaging - headline. Unless there are some key figures that have not been included in The Times coverage, this study does not at all conclude that breast-feeding does not protect babies from asthma. A study of mothers to whom 'breast-feeding was promoted', does not equate to a study of mothers who exclusively breastfed. Nor does the report tell us what numbers of women breastfed exclusively and for how long. No figures are given to qualify such a dramatic headline and the core truth of the study is hidden away at the end of the item where the reader finally gets told the rather obvious conclusion that talking about breastfeeding does not reduce the risk of asthma, hay fever, or eczema. Looking after a baby can be difficult & confusing enough & many new mums find themselves having tough times & wavering between whether to persevere with trying to breast-feed or jacking it in & buying formula. This headline does nothing but bad.
Sara, London, UK
Noone ever said 3 months protected against allergies - if these women had breastfed exclusively for 6-8 months the study would be more reliable.
Might be worth pointing out, when researching more, that the funding for this study came from a company that makes formula milk. Enough said.
michelle, london,
breast feeding will increase the immune system when they still breastfeed, or at least one year because the immune system supplied in breast milk . but after 6.5 years, there are too many factor influencing in asthma rather than breast feeding alone during that time.
Darin, Jakarta,
Breast feeding is better for babies as it is milk made specifically for human babies rather than bovine babies. When you are looking at things like allergies such as asthma & eczema you have to remember that there is an element of genetic predisposition and also how these allergies were treated when they first appeared.
It is very dangerous to print findings like these as of course breast feeding alone will not cut out any genetic predisposition, as the record for breast feeding mothers is already pitifully low in the UK. Was this research commissioned or paid for by formula manufacturers per chance?
Anna, Malaga, Spain
Breast feeding is better for babies as it is milk made specifically for human babies rather than bovine babies. When you are looking at things like allergies such as asthma & eczema you have to remember that there is an element of genetic predisposition and also how these allergies were treated when they first appeared.
It is very dangerous to print findings like these as of course breast feeding alone will not cut out any genetic predisposition, as the record for breast feeding mothers is already pitifully low in the UK. Was this recerch commissioned or paid for by formula manufacturers per chance?
Anna, Malaga, Spain
I have asthma. My father had asthma. I breast fed my babies until they were at least 6 months (one until 10 months). I was bottle fed. Both my children have asthma. My youngest son has the lot - allergies, moderate to severe asthma and eczema. Doesn't that say more about genetics ( and possibly environment since both my children's asthma is worse than mine ) than breast feeding? I find your headline a little alarmist and very unhelpful.
A Darrow, Rotherham,
Breast feeding is the normal way to feed a baby so you should publicise the the side effects of using a sustitute which may or not be an increase in Asthma. Artificial feeding of milk from cows organic or not !!!! is not normal.
Breast fed babies may have health problems for many reasons, genetic problems or environmental or unknown but it would be more helpful if you publicised the known health risks of using artificial milk for newborn babies.
Chris Mundy, Fleet, UK
The study examined babies exclusively breastfed only in the first few months of life. Before drawing the conclusion that breastfeeding does not protect against asthma, the researchers must study babies to whom no artificial milk or solids have been introduced prior to reaching six months.
barbara, Yorkshire, UK
Until the sample size of women still "exclusively breast-feeding at six months" is large enough we can still not conclude that breast-feeding does not reduce the risk of asthma.. This study seems to to have a group that was exclusively breast-feeding at three months only.
If it were claimed that a six months treatment of anti-depressants would be efficacious and a study claimed that those taking the anti-depressants for three months did not seem any better than those not taking any anti-depressants we would raise our eyebrows, would we not?
Brian Hardy, Nantwich,
The study only examined babies who were exclusively breastfed in the first few months. Before drawing the conclusion that breastfeeding does not protect against asthma researchers needs to examine babies to whom no solids or artificail milks have been introduced prior to reaching six months.
barbara higham, Ilkley, Yorkshire, UK
Maybe it's that breastfed babies have a better starting point and it is the general passive immunity that allows the body to be stronger to fight these allergies and asthma.
It's one study out of hundreds that has been conducted in regards to the positive, protective nature of breastmilk! Let's not loose too much sleep over one study. I hope no-body reads this and thinks "Oh, I won't breastfeed then, it's not as good as they thought." That would be very sad.
Breastmilk is the species ideal milk for humans, if we get fantastic benefits for mum and baby then surely it's a bonus!
Claire, walsall, england
Big surprise! The diet of mothers today is so full of pesticides, flavour enhancers and loads of other chemical rubbish, that these compounds get through to breast milk and cause the poor child to be subjected to the poisons.
Now 50 years ago that wasn't the case, and breast feeding was healthy.
Dr John, Kuala Lumpur, Malaysia
It probably would have in the days before additives, E-numbers, preservatives and others that weaken a toddlers digestive system... cows milk is too strong in any case and the government is wrong in promoting it as a health drink. I haven't had a glass of milk in 6 years and there is no evidence of decreased bone density. I believe breast feeding is beneficial, if only to keep the child away from processed food... and women also don't get the chance to only breastfeed for 6 months because in most work places maternity pay doesn't cover up to that point... statutory minimum after all is 6 weeks
Di, London,