‘Forever chemicals' found in blood of 97 per cent of Victorians

More than 97 per cent of Victorians aged over 12 have a detectable concentration of PFAS in their bloodstream, with the 'forever chemicals' more likely to be found in men than women, and more often in older people.
The synthetic chemicals – perfluoroalkyl and polyfluoroalkyl substances – are found in everyday products ranging from the linings of take-away coffee cups and pizza boxes to carpets and non-stick cookware. Once consumed, they take many years to exit the body.
On Tuesday, the Australian Bureau of Statistics released national and state-level data about the prevalence of 11 types of PFAS in the Australian population and found it is almost universally detectable in people.
The data was also broken down by sex and age, with PFAS concentrations in blood slightly higher in men than in women and gradually increasing from childhood to old age, peaking at age 75 and over. Data was gathered between 2022 and 2024.
The findings were 'in line with expectations' as use of PFAS within products peaked between the 1980s and the early 2000s but has since fallen through efforts to reduce its usage.
'As a result, older people have been exposed to more PFAS in the past, before the decrease in use of these chemicals. This historical exposure, combined with the long elimination half-lives of many PFAS, means that levels of PFAS are likely to be higher in older people,' the ABS said.
In Victoria, PFAS was detected in 97.3 per cent of people, just above the national level of 97.1 per cent. Tasmanians had the highest levels (98.9 per cent) and Northern Territorians the lowest (91.2 per cent).
Stuart Khan, a professor in the School of Civil and Environmental Engineering at the University of New South Wales, said the results were 'shocking but not surprising' and broadly in line with results from studies in other countries such as the United States.

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West Australian

an hour ago

• West Australian

Cryonics: Does it really offer the chance for humans to return from the dead?

It's the stuff of science-fiction movies: you're declared legally dead by a doctor, your body is frozen and stored in liquid nitrogen and 200 years later you're brought back to life. Could this really be possible one day? At the Southern Cryonics storage facility on the outskirts of Holbrook in NSW, Peter Tsolakides believes cryonics could be the future of humanity. Whether people get their second chance at life in 100, 200 or 2000 years is anyone's guess. But he said there have been many encouraging advancements that have made the idea less far-fetched than it once was. The business of storing bodies at low temperatures in the hope they can be thawed and brought back to life has no shortage of sceptics and critics. University of Western Australia associate professor Marcus Dabner, a medical doctor and specialist in pathology, said the science remained unproven and speculative. No one has been brought alive yet anywhere in the world — and there is no evidence it can even be done. Still, the idea has survived for decades. Last month, Australian journalist and filmmaker Clare McCann revealed she was urgently trying to raise $300,000 to cryonically preserve her 13-year-old son Atreyu's body after his tragic death. In a statement posted alongside her recent GoFundMe campaign, McCann explained her 'kind, creative and endlessly loved' son had ended his life in May 'after months of horrific bullying' at his NSW school. She had a seven-day window to carry out the preservation before the chance for a potential future revival — however remote — was lost forever. 'Please help me bring him back so he can get the treatment he needed and we can together have another chance at life,' she wrote in a heartbreaking Instagram post. Her desperate plea reflected how faith in the possibilities of cryonics is alive — and growing. There are now at least two facilities in the US, and one each in Russia, China, Australia and Europe. Last year, Southern Cryonics in Australia cryopreserved its first patient — a man in his 80s who died in a Sydney hospital. Mr Tsolakides said the not-for-profit facility started with 35 founding members when it opened its doors last year and within 18 months it had 70 people on its books, ranging from doctors to bus drivers. Roughly 80 per cent are men and 20 per cent are women, and the youngest person, who hopes to one day be cryopreserved like their parents, is aged about 14. 'They are all very optimistic about the future and want to live extremely long lives,' Mr Tsolakides explained. 'They go back, say, 100 years and compare that to what it is like now and see it has improved significantly. 'They believe that in the next 100 or 200 years when they are possibly revived it will be very exciting to be in a new world. 'The thinking is in about 200 years science will have progressed to the stage where a person can be revived and be in a youthful body, all diseases cured, and be that same person in that youthful body.' The most widely-held view of cryonics is that it is pseudo-science. The majority of scientists and medicos take a dim view of the controversial industry, and there's been much debate about its ethical implications. With a hefty price tag of between $150,000 and $200,000 to undergo cryonic suspension in Australia, not including what it may cost for revival in the future, many critics point out that cryonics sells nothing more than false hope. That vulnerable people, consumed by grief, will be taken advantage of as they consider going to go any length for a chance to be reunited with the person they love. Clive Coen, a professor of neuroscience at King's College London, told The Guardian in 2016 that a high court decision which allowed a dying 14-year-old girl to have her body frozen could have the 'unintended consequence … that a lot of people are going to think this is worth a punt'. 'Ethically it's very complicated,' he said. Mr Tsolakides said while the industry is unregulated in Australia and not subject to any special laws, Southern Cryonics would never promise potential clients they would be restored in full health, or at all, in the future. And, it says it only caters to clients who've had a long-term interest in cryonics. 'We have fairly strict conditions around who we tend to take,' said Mr Tsolakides, who has degrees in science and business administration. 'All of our members have some interest in science technology and we tend to take people who have shown interest in cryonics in the past. 'We tend not to take somebody whose child, mother, father died and they tell us they have just read about cryonics now and in a distressed state want to have them 'frozen'. 'We want people interested in cryonics and we want people to join us before they pass away.' Dr Kate Falconer, a law lecturer at the University of Queensland, recently wrote in The Conversation that the successful revival of a patient could pose a legal minefield. For starters, a dead person cannot own property, so when they die, their estate — money and material possessions — is distributed to others according to their will. Dr Falconer said that means none of the wealth or belongings they previously enjoyed will be available to them, which could lead to a world with 'cryonics refugees' — people who wake from cryopreservation in the future with no social or community ties to rely on and no funds to live off. She noted that in the US, one cryonics facility has attempted to get around this issue by encouraging patients to place their assets in a long-term trust. But Mr Tsolakides said most interested Australians plan to use their life insurance policies to pay for their preservation, and put any leftover funds into an interest-accruing account for the future, especially given the cost of revival cannot yet be known. Some plan to, and some already have, put their money into 'revival trusts', he added, so instead of passing wealth down to family members they will pass it down to their future selves. Cryonics enthusiasts, it seems, are largely driven by curiosity and optimism. They are encouraged by research that appears to show an entire organism can transcend death, pointing to cases such as when scientists cryopreserved a roundworm and returned it to full function. They cite examples including livers that were retrieved from rodents in the US and cryogenically stored for 100 days before being successfully transplanted into five rats. 'A rabbit kidney was also brought back,' Mr Tsolakides said. 'Very simple cells like sperm, embryos and a whole lot of things like that have been suspended. 'When they do reproductive technologies like IVF they suspend them in exactly the same conditions — vitrified like we do. 'We are talking very simple organisms and very small organs at this stage which are easier to suspend than bigger ones but what we are doing is projecting what the capabilities will be 200 years into the future.' Dr Dabner, who specialises in the various things that go wrong in the body to cause disease, including what happens when we die, said no proof exists that organisms with brain structures as complex as humans can successfully be restored. 'Based on our understanding of the biology around life and death, there is currently no plausible way to bring someone back to life,' he said. 'Nothing more complex than a microorganism — tardigrades and nematode worms that were accidentally frozen in ice or permafrost — have been restored. 'Mammals are hundreds of times more complicated, and our cells don't survive freezing as well as these more simple organisms, so even the basic process of storing the cells is very different to the experience with these micro-organisms. 'There is no evidence that any mammal has ever been preserved and restored, whether it was alive or dead at the time of being preserved. 'The fundamental issue in whole body cryopreservation is whether the brain and other complex organs — which have already undergone damage as part of the dying process — can be first preserved, then stored indefinitely, and then at some point in the future restored, kept alive after restoration and have the damage reversed. 'That's a lot of steps to have to try and solve in order for it to be possible. 'Even then, how much of our 'selves' — our personality, memories and emotions — is likely to be restored? 'This is something that's impossible to answer, but complex tissues like the nervous system are extremely hard to preserve, and despite huge advances in many areas of technology and our understanding of biology, the progress we've made in trying to repair critical tissues like the brain and spinal cord is still very limited. 'That's why we still don't have cures or even effective treatments for most degenerative conditions. At that rate of progress, realistically we're still most likely decades away from repairing even minor damage, and probably centuries away from being able to heal the kind of changes that happen as part of the dying process, if it is in fact possible at all.' Mr Tsolakides agreed the brain is a major stumbling block and hopes advancements in fields such as nanotechnology will help solve this. 'So many advances are going on at the moment,' he said. 'So much research is being done in ageing, brain preservation, hypothermic medicine techniques, in cloning, synthetic limbs, regenerative medicine, nanotechnology to repair cell damage and all these things are in early stages, but project them out and you are getting to a reasonable chance people can one day be revived. 'Everything we focus on (at the facility) is trying to keep that brain preserved.' To cryopreserve a person, the most important step is a process called 'vitrification', he said. This where the blood is pumped out of the body and replaced with a cryoprotectant agent to partially replace the water in the body's cells and prevent the formation of ice. He said the body of the 'patient' is then stored head-first in a dewar — a tall steel flask filled with liquid nitrogen — and maintained at a temperature of around -190C until medical science has advanced sufficiently enough to rejuvenate them and cure whatever diseases led to their death. 'Let's say you were a member, our optimum case is you contact us so that we would have somebody at your hospital bed at the time you are going to pass away,' Mr Tsolakides said. 'As soon as you pass away, we start putting ice packs around you and cooling you, and this gives us about two or three hours … to take you to a funeral home where we have our team that we have outsourced of doctors and clinical perfusionists, etc, and they work on you and perfuse you with special chemicals. 'Then we cool you down in dry ice and once you are at -78C we have about two or three weeks to take you to a facility and do another process where we slowly bring you down into liquid nitrogen and we put you in in a vacuum flask full of it. 'In those conditions you can stay for hundreds of years without deterioration.' Dr Dabner said there were simply too many scientific and technical hurdles to overcome. 'It's still largely the realm of science fiction,' he said. 'Life is an extraordinarily complex process, and suspending it for any prolonged period of time requires overcoming a huge number of technical challenges. 'Reversing death is even more complex, and I suspect that will remain a limitation forever. 'There are also existing ways that people, both living and deceased, can contribute to scientific advancement or continue to do social good after someone dies, for example body bequest programs, the organ donor registry and charities — these are all ways of having some kind of legacy after death, and finding meaning for the family members and friends left behind.' Mr Tsolakides said many areas of science were sceptically viewed until they became mainstream, adding he was forking out the money to cryopreserve himself. 'One possibility is you are put in the ground and the other is you are burned, but there is now another possibility — the chance of coming back,' he said. 'I know which one I would choose.' Lifeline on 13 11 14 headspace on 1800 650 890 Beyond Blue on 1300 22 4636

9 News

10 hours ago

• 9 News

Revolutionary late-stage melanoma treatment sees survival rates surge

Your web browser is no longer supported. To improve your experience update it here A revolution in the treatment of late-stage melanoma has been reached, with clinical trial results seeing surging survival rates. Doctors are confident the new therapy approach, which will be subsidised by the Pharmaceutical Benefits Scheme (PBS), will overhaul the treatment of many types of deadly cancers. A tumour the size of a golf ball saw death come knocking for Matthew Croxford. A revolution in the treatment of late-stage melanoma has been reached with clinical trial results seeing surging survival rates (Nine) "You think - is this it?" the 52-year-old father-of-two told 9News. "And I had a lot of things to still achieve in my life." Croxford was offered to take part in an Australian and Netherlands-driven trial. The new therapy has flipped the cancer paradigm on its head, by giving the body the best opportunity to activate its own cancer-fighting defences. "It's like the sniffer dogs that find the fruit and veg and drugs at the airport, they're trained against what they need to find," The Melanoma Institute's Professor Georgina Long said. "By giving immunotherapy before surgery, we train our immune system better against the cancer," she said. A new therapy has flipped the cancer paradigm on its head by giving the body the best opportunity to activate its own cancer-fighting defences. (Nine) Of the 423 patients with Stage 3 melanoma, one group received usual treatment with surgery first, then a single immunotherapy drug. That order was then flipped for the other group, who were given two immunotherapy drugs first to shrink the tumour before surgery. "Their chance of the melanoma coming back is next to zero - it's less than five per cent," Long said. Such revolutionary results have seen the treatment approved to be funded by the PBS - a world first. Matthew Croxford was offered to take part in an Australian and Netherlands-driven trial. (Nine) Australia has the highest rates of melanoma in the world, with one person diagnosed every 30 minutes and a life lost every six hours because of the disease. Advances in treatment like this shift a diagnosis that has often been a death sentence to promising odds of survival. "I'm effectively cancer-free, I have no side effects whatsoever, and I'm incredibly fortunate," Croxford said. "It's like the sniffer dogs that find the fruit and veg and drugs at the airport, they're trained against what they need to find," The Melanoma Institute's Professor Georgina Long said. (Nine) The radical overhaul of traditional treatment is now being explored for other cancers, including lung, triple-negative breast cancer, kidney, head and neck cancers. This new treatment for Stage 3 melanoma patients is to be listed on the PBS within months. national cancer health melanoma medicine PBS CONTACT US Property News: The last inner Sydney suburbs where houses cost under $2m.

Sky News AU

10 hours ago

• Sky News AU

Studies at Casey Research Station in Antarctica ‘more critical now than' ever

Casey Research Station Leader Andy Warton says the research at Casey Research Station and other Australian Antarctic stations is 'more critical now than it's ever been'. 'It's more critical now than it's ever been,' Mr Warton told Sky News Australia. 'The work that goes on, not just at this station, but at other Australian stations … it's absolutely critical work. 'We keep the stations alive.'