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Here are the ultraprocessed foods you most need to avoid, according to a 30-year study

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Madeline Holcombe, CNN


Published Wednesday, May 8, 2024 9:31PM EDT


Last Updated Wednesday, May 8, 2024 9:31PM EDT

(CNN) — Eating ultraprocessed foods is associated with an early risk of death, according to a 30-year study — but different foods have different impacts.

Processed meats and sugary foods and drinks aren’t correlated with the same risks as ultraprocessed whole grains, for example, said lead study author Dr. Mingyang Song, associate professor of clinical epidemiology and nutrition at Harvard’s TH Chan School of Public Health.

The study analyzed data from more than 100,000 health professionals in the United States with no history of cancer, cardiovascular disease or diabetes. From 1986 to 2018, the participants provided information on their health and lifestyle habits every two years.

Every four years, they completed a detailed food questionnaire.

The group eating the least ultraprocessed food ate about three servings a day on average, while the highest averaged seven servings a day, according to the study published Wednesday in The BMJ journal.

Those who ate the most had a 4% higher risk of deaths by any cause, including a 9% increased risk of neurodegenerative deaths, the data showed.

Song described the correlation as “moderate,” noting that the connection was not equally strong among all kinds of ultraprocessed foods.

“The positive association is mainly driven by a few subgroups including processed meat and sugar sweetened or artificially sweetened beverages,” he said.

Findings in this study were consistent with hundreds of others in the field, but what makes this one unique is its parsing out of different subgroups within the ultraprocessed food category, said Dr. Marion Nestle, the Paulette Goddard professor emerita of nutrition, food studies and public health at New York University.

Do we need to get rid of all ultraprocessed foods?

Song wouldn’t necessarily advise a complete rejection of all ultraprocessed foods because it is a diverse category, he said.

“Cereals, whole grain breads, for example, they are also considered ultraprocessed food, but they contain various beneficial nutrients like fiber, vitamins and minerals,” he said. “On the other hand, I do think people should try to avoid or limit the consumption of certain ultraprocessed foods, such as processed meat, sugar-sweetened beverages and also potentially artificially sweetened beverages.”

There are also more questions that need to be answered when it comes to ultraprocessed foods.

First, the recent study is strong because of the length of time covered, but it is an observational study. That means that while researchers can observe a correlation, they can’t say that the foods were the cause of the deaths, said Dr. Peter Wilde, emeritus fellow at Quadram Institute Bioscience in the United Kingdom.

Researchers also need to look more at the components of ultraprocessed foods that might be affecting health — whether they be food additives, emulsifiers or flavors — to advise governments and institutions on how to regulate foods, Song said.

Overall diet matters most

Researchers also found that the most important factor to reducing risk of death is the quality of a person’s overall diet, Song said.

“If people maintain a generally healthy diet, I don’t think they need to be like scared or be freaked out,” he said. “The overall dietary pattern is still the predominant factor determining the health outcomes.”

A healthy diet is varied, with as many colorful fruits and vegetables and whole grains as possible, Wilde said.

“If you are worried about food additives, then choose foods that have low levels of additives,” he said in an email. “Just be mindful of the nutritional content of (the ultraprocessed foods) that you do choose to consume.”

It is also important to recognize that foods need to be eaten in balance. Fruit juice contains beneficial vitamins, minerals and antioxidants when consumed in moderation, but too much will have high levels of sugar that may override their benefits, Wilde said.

“This is not black and white,” he said. “A particular food is not either good or bad, it will contain elements of both, and the balance between the two may depend on how much you eat.”

 

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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.

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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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