Will Covid reinfections pose increased health risks? Experts aren’t sure

A study found that repeat infections increases the possibility of hospitalization or death, but some experts refute those findings

A recent study states that Covid-19 reinfections could pose additional risks to people’s long-term health – as compared to only getting Covid once – however some infectious disease experts in the US disagree that there is evidence showing repeat infections are more dangerous.

The issue of the impact of repeated infections is becoming a crucial one in the United States as the Covid-19 pandemic is now tailing off amid a widespread relaxation of any social distancing or restrictions, which has seen many people catch the virus two or more times.

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MPs urge asbestos company to pay £10m to fund cancer research

All-party group including peers backs campaign by victims’ group, saying Cape ‘knowingly put people in danger’

MPs and peers have written to one of the biggest manufacturers of asbestos, calling on it to make a £10m donation towards mesothelioma research “for knowingly putting people in danger”.

In a letter to Altrad, parent company of Cape, the all-party parliamentary group (APPG) on occupational safety and health says that documents released after a long-running court battle show that Cape historically “provided misleading reassurance about the dangers of asbestos”.

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England’s PCR Covid testing network drops one of three labs as demand falls

Rosalind Franklin laboratory in Leamington Spa no longer to be part of laboratory network processing Covid tests

England’s PCR testing network for Covid is to be scaled back due to a fall in demand, public health officials have said.

The UK Health Security Agency (UKHSA) said that the Rosalind Franklin laboratory in Leamington Spa – which at its peak was processing about 75,000 Covid PCR tests a day – will cease to operate as part of the processing network.

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Researchers warn of potentially fatal condition for open-water swimmers

Swimming-induced pulmonary oedema involves the accumulation of fluid in the lungs of swimmers without it having been inhaled

A potentially life-threatening condition that can affect fit and healthy open-water swimmers causing them to “drown from the inside” may involve a buildup of fluid in the heart muscle, researchers have suggested.

Swimming-induced pulmonary oedema – SIPE – is a form of immersion pulmonary oedema and involves the accumulation of fluid in the lungs of swimmers without it having been inhaled. The condition is thought to be a result of increased pressure on the body’s blood vessels as a result of exertion, immersion and cold.

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John Howard overrode George Pell’s objections to allow research using surplus IVF embryos

Cabinet papers 2002: PM lifted ban despite opposition of conservatives and religious leaders, including then Archbishop Pell

John Howard’s decision to allow stem cell research using surplus IVF embryos might surprise people “who saw Howard as only a rightwing person”, the former senator and cabinet minister Amanda Vanstone has said.

Despite opposition from conservative and religious groups, and despite seeking advice from the then Catholic archbishop of Sydney, George Pell, the former Liberal prime minister lifted the national ban in 2002.

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China rushes to boost intensive care beds, doctors and stocks of medicine as Covid surges

State media reports on increased efforts to boost health infrastructure, staffing and supplies

Chinese authorities are rushing to boost the number of intensive care beds and health workers and increase medication supplies as Covid-19 surges through the country.

Since the abrupt dismantling of the stringent zero-Covid regime, cases have skyrocketed in China. A full picture of the impact is difficult to gauge. Authorities have conceded it is “impossible” for the testing system to keep track, and the narrow parameters for attributing deaths to the virus mean the official count – fewer than 10 this week – is at odds with widespread anecdotal reports of fatalities and high traffic at funeral homes.

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Rising temperatures causing distress to foetuses, study reveals

Climate crisis increases risks for subsistence farmers in Africa who usually work throughout pregnancy

Rising temperatures driven by climate breakdown are causing distress to the foetuses of pregnant farmers, who are among the worst affected by global heating.

A study revealed that the foetuses of women working in fields in the Gambia showed concerning rises in heart rates and reductions in the blood flow to the placenta as conditions became hotter. The women, who do much of the agricultural labour and work throughout pregnancy, told the scientists that temperatures had noticeably increased in the past decade.

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Concussion and head trauma in contact sports to be examined by parliamentary inquiry, Greens say

Lidia Thorpe says Labor and Coalition back hearings while ‘sports organisations need to be transparent about evidence that informs concussion policies’

A federal parliamentary committee will examine concussion and repeated head trauma in contact sports, with the Greens saying they have the support of Labor and the Coalition to establish the inquiry.

The push follows growing concern about chronic traumatic encephalopathy, or CTE, the neurodegenerative disease associated with repeated head trauma and concussion that has been increasingly linked to contact and collision sports.

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Plant-based diet can cut bowel cancer risk in men by 22%, says study

Researchers find no such link for women, suggesting connection between diet and bowel cancer is clearer for men

Eating a plant-based diet rich in vegetables, whole grains, nuts and legumes can reduce the risk of bowel cancer in men by more than a fifth, according to research.

A large study that involved 79,952 US-based men found that those who ate the largest amounts of healthy plant-based foods had a 22% lower risk of bowel cancer compared with those who ate the least.

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Cannabis oil failed to improve pain or quality of life in palliative care cancer patients, study shows

Researchers say despite the lack of symptom relief, more trials are needed to focus on the targeted use of medicinal cannabis

The first high quality study looking at the impact of cannabidiol oil on palliative care patients with advanced cancer found it did not improve their pain, depression, anxiety, or quality of life.

Palliative care is one of the conditions for which medicinal cannabis has been approved in Australia.

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Covid blood-thinner drug treatment dangerous and does not work – study

UK government-backed Heal-Covid trial finds Apixaban can cause dangerous bleeding and does not improve prognosis

A blood-thinning drug given as a potential life-saver to many patients recovering from severe Covid does not work and can cause major bleeding, research shows.

The findings have led to calls for doctors to stop advising people to take Apixaban, because it does not stop them from dying or ending up back in hospital and also can have serious side-effects.

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UK breakthrough on lung cancer helps target patients at risk of relapse

Research programme buys doctors crucial time by spotting returning tumours before symptoms appear

Seven years ago, Kelly Harrop was working at a stables while also running regularly in half marathons and 10k races. Then she began to suffer digestive problems. Scans eventually revealed marks on her lungs. The subsequent diagnosis was direct. “I had lung cancer. It was a shock. I was fit, healthy and had never smoked,” she told the Observer.

Kelly had surgery to remove the tumour, followed by chemotherapy. But doctors knew there was a risk of the tumour reappearing, so they enrolled her in a new research programme, TRACERx. Funded by Cancer Research UK, the £14m project was set up 10 years ago to investigate how lung tumours arise and evolve. A total of 850 patients with early-stage lung cancer were studied and followed from diagnosis to treatment.

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Australia gives world-first approval for faecal transplants to restore gut health

BiomeBank in Adelaide collects healthy genetic material from the microbiomes of donors to treat potentially deadly bacterial condition

Australia has given regulatory approval for faecal transplants, the first country in the world to do so.

For such a transplant, poo donors – who have to meet a list of conditions – provide healthy genetic material from their microbiomes. The microbes are collected and delivered into the gastrointestinal tract of an unhealthy person, where they have been shown to treat conditions such as the potentially deadly bacteria Clostridium difficile colitis (C diff).

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Invasive mosquito could disrupt Africa’s ‘landscape of malaria’ after cases rise

Insecticide-resistant newcomer caused unprecedented urban outbreak in Ethiopia and can survive the dry season, scientists say

Scientists are warning that the invasion of an insecticide-resistant mosquito could change Africa’s “landscape of malaria” after research showed it caused an unprecedented urban outbreak in Ethiopia.

An investigation into a steep rise in cases in the Ethiopian city of Dire Dawa during a dry season this year identified the mosquito as the cause of the outbreak. Scientists say it is the strongest evidence to date that it could prompt surges of malaria in areas typically less affected by the disease.

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Floods and warm weather perfect storm for Japanese encephalitis outbreak in Australia, researchers warn

Modellers say those within 4km of an infected piggery potentially vulnerable, meaning 740,546 people at risk of mosquito-borne virus

Warming temperatures combined with flood waters could leave almost 750,000 Australians vulnerable to Japanese encephalitis – a disease that until last year was confined to Asia and far-northern Australia.

The mosquito-borne disease was first detected on the Australian mainland in 1998, but its range expanded dramatically earlier this year. Cases were reported in dozens of southern piggeries (pigs are one of the main carriers of the virus) and there were also 31 confirmed cases in humans and six deaths.

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Common drugs could fight obesity and diabetes, say scientists

Researchers identify medications that could be repurposed, including treatments for heart conditions and stomach ulcers

Scientists have pinpointed a range of commonly used medicines that could be repurposed to treat people suffering from obesity and diabetes.

The medicines – to be outlined at the International Congress on Obesity in Melbourne this weekend – include treatments for stomach ulcers and heart rhythm disorders and were identified using sophisticated computer programs.

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Covid: one in 50 thought to be infected in England, data shows

Based on results from random swabbing, ONS says 1.1 million people in country have virus

Covid infection levels are continuing to rise in England, with more than 1.1 million people thought to have had the virus in the most recent week, data has revealed.

According to figures from the Office for National Statistics, based on swabs from randomly selected households, about one in 50 people in England – 2% of the population – had Covid in the week ending 24 September, an increase from one in 65 the week before.

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Children of mothers who eat junk food more likely to be overweight – study

Higher obesity risk linked to maternal diet of ultra-processed food is not affected by other lifestyle factors, US researchers say

Children of mothers who consume ultra-processed foods such as ready meals, sugary cereals and biscuits are more likely to grow up overweight or obese, a study suggests.

The link between a mother’s diet and her child’s obesity risk is independent of other lifestyle risk factors, including the child’s own consumption of ultra-processed food, according to the research. The findings are published in the BMJ.

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People with recent dementia diagnosis found to have higher suicide risk

Calls for more support after England research shows those diagnosed under 65 also at greater risk

People who have recently been diagnosed with dementia, or who are diagnosed with the condition at a younger age, are among those at increased risk of suicide, researchers have found. The findings have prompted calls for greater support for those experiencing such cognitive decline.

While previous research has explored a potential link between dementia diagnosis and suicide risk, the results have been inconclusive, with some suggesting a raised risk and others a reduced risk.

•In the UK and Ireland, Samaritans can be contacted on freephone 116 123, or email jo@samaritans.org or jo@samaritans.ie. In the US, the National Suicide Prevention Lifeline is at 800-273-8255 or chat for support. You can also text HOME to 741741 to connect with a crisis text line counselor. In Australia, the crisis support service Lifeline is 13 11 14. Other international helplines can be found at befrienders.org

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Obesity-related cancer rates nearly quadruple in Australia over three and a half decades

Researchers call on governments to implement national obesity strategy to help stem further rises in preventable cancers

The rate of obesity-related cancers in Australia has almost quadrupled in a few generations, new research suggests.

Researchers at the Daffodil Centre, a joint venture of Cancer Council New South Wales and the University of Sydney, analysed the rate of 10 obesity-linked cancers between 1983 and 2017.

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