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Breastfeeding for longer may be linked to better exam results in later life

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Children who are breastfed for longer appear to be more likely to gain slightly better results in their school GSCEs at age 16 compared with non-breastfed children, suggests a study published online in the journal Archives of Disease in Childhood.

The evidence of improved educational outcomes is still apparent even when various factors are taken into account such as people’s socio-economic status and their parents’ intelligence.

Previous studies have suggested that children breastfed for longer have improved educational outcomes later in life. However these are relatively scarce, and most have not taken into account potential factors that could influence outcomes such as the fact that mothers from a higher socioeconomic status or with higher intelligence scores are more likely to breastfeed their children for longer and have children who get higher results in exams.

A team of researchers from the University of Oxford, therefore, set out to analyse data on a large group of British children who were included in the Millennium Cohort Study, which enrolled 18,818 children born in 2000-2002 living in the UK and who were followed up at ages 3, 5, 7, 11, 14, 17 and 22.

This data was linked to the National Pupil Dataset, which stores longitudinal academic data of students enrolled in English state schools.

For the new study, the researchers analysed a nationally representative group of 4,940 participants from England up to age 16 and looked at the results of their secondary education standardised examinations (set by the English Department of Education), specifically their General Certificate of Secondary Education (GCSEs) in English and Mathematics. The Attainment 8 score, which is the sum of all the GCSEs taken by the children, was also analysed.

Around a third (32.8%) of the participants were never breastfed, and the remainder were breastfed for different periods. Only 9.5% were breastfed for at least 12 months.

Analysis of the results showed that longer breastfeeding was associated with better educational outcomes.

Only around a fifth (19.2%) of children who were breastfed for at least 12 months failed their English GCSE compared with 41.7% of those who were never breastfed, while 28.5% of those breastfed for at least 12 months achieved a high pass (A and A*) compared with 9.6% among non-breastfed children.

For the Mathematics GCSE, only 23.7% of children who were breastfed for at least 12 months failed their test compared with 41.9% of those never breastfed, while 31.4% of those breastfed for at least 12 months achieved a high pass (A and A*) compared with 11% among non-breastfed children.

After taking into account confounding factors, the overall association showed that compared with children never breastfed, children breastfed for at least 12 months were 39% more likely to have a high pass for both exams and were 25% less likely to fail the English exam.

Additionally, those breastfed for longer had a better overall performance in their GCSEs (higher Attainment 8 score) than those never breastfed.

The study had some limitations in that it was not possible to link the National Pupil Dataset for approximately 4,000 children because they were lost to follow-up or did not consent, while a further 1,292 children were not followed up to age 14, when maternal cognitive ability was measured.

Additionally, other factors that could potentially influence the association were not considered.

Nevertheless, the authors said their findings were nationally representative for children enrolled in state schools in England and the large sample size allowed them to detect outcome differences between several breastfeeding duration groups.

They had also taken into account the confounding effects of several markers of family-level and area-level socioeconomic status and maternal intelligence.

They concluded: “Breastfeeding duration was associated with improved educational outcomes at age 16 among children living in England, after controlling for important confounders.

“However, the effect sizes were modest and may be susceptible to residual confounding. Breastfeeding should continue to be encouraged, when possible, as potential improvements in academic achievement constitute only one of its potential benefits.

“Future studies should adjust for both socioeconomic circumstances (comprehensively) and maternal general intelligence.”


Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.

 

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Canada to donate up to 200,000 vaccine doses to combat mpox outbreaks in Africa

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The Canadian government says it will donate up to 200,000 vaccine doses to fight the mpox outbreak in Congo and other African countries.

It says the donated doses of Imvamune will come from Canada’s existing supply and will not affect the country’s preparedness for mpox cases in this country.

Minister of Health Mark Holland says the donation “will help to protect those in the most affected regions of Africa and will help prevent further spread of the virus.”

Dr. Madhukar Pai, Canada research chair in epidemiology and global health, says although the donation is welcome, it is a very small portion of the estimated 10 million vaccine doses needed to control the outbreak.

Vaccine donations from wealthier countries have only recently started arriving in Africa, almost a month after the World Health Organization declared the mpox outbreak a public health emergency of international concern.

A few days after the declaration in August, Global Affairs Canada announced a contribution of $1 million for mpox surveillance, diagnostic tools, research and community awareness in Africa.

On Thursday, the Africa Centres for Disease Control and Prevention said mpox is still on the rise and that testing rates are “insufficient” across the continent.

Jason Kindrachuk, Canada research chair in emerging viruses at the University of Manitoba, said donating vaccines, in addition to supporting surveillance and diagnostic tests, is “massively important.”

But Kindrachuk, who has worked on the ground in Congo during the epidemic, also said that the international response to the mpox outbreak is “better late than never (but) better never late.”

“It would have been fantastic for us globally to not be in this position by having provided doses a much, much longer time prior than when we are,” he said, noting that the outbreak of clade I mpox in Congo started in early 2023.

Clade II mpox, endemic in regions of West Africa, came to the world’s attention even earlier — in 2022 — as that strain of virus spread to other countries, including Canada.

Two doses are recommended for mpox vaccination, so the donation may only benefit 100,000 people, Pai said.

Pai questioned whether Canada is contributing enough, as the federal government hasn’t said what percentage of its mpox vaccine stockpile it is donating.

“Small donations are simply not going to help end this crisis. We need to show greater solidarity and support,” he said in an email.

“That is the biggest lesson from the COVID-19 pandemic — our collective safety is tied with that of other nations.”

This report by The Canadian Press was first published Sept. 13, 2024.

Canadian Press health coverage receives support through a partnership with the Canadian Medical Association. CP is solely responsible for this content.

The Canadian Press. All rights reserved.

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How many Nova Scotians are on the doctor wait-list? Number hit 160,000 in June

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HALIFAX – The Nova Scotia government says it could be months before it reveals how many people are on the wait-list for a family doctor.

The head of the province’s health authority told reporters Wednesday that the government won’t release updated data until the 160,000 people who were on the wait-list in June are contacted to verify whether they still need primary care.

Karen Oldfield said Nova Scotia Health is working on validating the primary care wait-list data before posting new numbers, and that work may take a matter of months. The most recent public wait-list figures are from June 1, when 160,234 people, or about 16 per cent of the population, were on it.

“It’s going to take time to make 160,000 calls,” Oldfield said. “We are not talking weeks, we are talking months.”

The interim CEO and president of Nova Scotia Health said people on the list are being asked where they live, whether they still need a family doctor, and to give an update on their health.

A spokesperson with the province’s Health Department says the government and its health authority are “working hard” to turn the wait-list registry into a useful tool, adding that the data will be shared once it is validated.

Nova Scotia’s NDP are calling on Premier Tim Houston to immediately release statistics on how many people are looking for a family doctor. On Tuesday, the NDP introduced a bill that would require the health minister to make the number public every month.

“It is unacceptable for the list to be more than three months out of date,” NDP Leader Claudia Chender said Tuesday.

Chender said releasing this data regularly is vital so Nova Scotians can track the government’s progress on its main 2021 campaign promise: fixing health care.

The number of people in need of a family doctor has more than doubled between the 2021 summer election campaign and June 2024. Since September 2021 about 300 doctors have been added to the provincial health system, the Health Department said.

“We’ll know if Tim Houston is keeping his 2021 election promise to fix health care when Nova Scotians are attached to primary care,” Chender said.

This report by The Canadian Press was first published Sept. 11, 2024.

The Canadian Press. All rights reserved.

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Newfoundland and Labrador monitoring rise in whooping cough cases: medical officer

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ST. JOHN’S, N.L. – Newfoundland and Labrador‘s chief medical officer is monitoring the rise of whooping cough infections across the province as cases of the highly contagious disease continue to grow across Canada.

Dr. Janice Fitzgerald says that so far this year, the province has recorded 230 confirmed cases of the vaccine-preventable respiratory tract infection, also known as pertussis.

Late last month, Quebec reported more than 11,000 cases during the same time period, while Ontario counted 470 cases, well above the five-year average of 98. In Quebec, the majority of patients are between the ages of 10 and 14.

Meanwhile, New Brunswick has declared a whooping cough outbreak across the province. A total of 141 cases were reported by last month, exceeding the five-year average of 34.

The disease can lead to severe complications among vulnerable populations including infants, who are at the highest risk of suffering from complications like pneumonia and seizures. Symptoms may start with a runny nose, mild fever and cough, then progress to severe coughing accompanied by a distinctive “whooping” sound during inhalation.

“The public, especially pregnant people and those in close contact with infants, are encouraged to be aware of symptoms related to pertussis and to ensure vaccinations are up to date,” Newfoundland and Labrador’s Health Department said in a statement.

Whooping cough can be treated with antibiotics, but vaccination is the most effective way to control the spread of the disease. As a result, the province has expanded immunization efforts this school year. While booster doses are already offered in Grade 9, the vaccine is now being offered to Grade 8 students as well.

Public health officials say whooping cough is a cyclical disease that increases every two to five or six years.

Meanwhile, New Brunswick’s acting chief medical officer of health expects the current case count to get worse before tapering off.

A rise in whooping cough cases has also been reported in the United States and elsewhere. The Pan American Health Organization issued an alert in July encouraging countries to ramp up their surveillance and vaccination coverage.

This report by The Canadian Press was first published Sept. 10, 2024.

The Canadian Press. All rights reserved.

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