Top Liberian doctor struck off over qualification doubts
As part of a qualifications audit, the Liberia Medical and Dental Council (LMDC) asked Peter Matthew George to provide his professional certificates.
In April, the LMDC told Dr George that it had revoked his license as he had not given satisfactory proof he had graduated in medicine from the UK's University of Hertfordshire as, it said, he had been claiming.
Dr George has disputed the LMDC's findings. He told the BBC there was a "bias" against him because of his advocacy in a row between doctors and the government.
In a letter to Dr George explaining its decision, the LMDC said he had not provided an actual certificate of his qualification from the University of Hertfordshire but instead sent an "award verification letter" which said he had "obtained an MD".
The LMDC pointed out that "MD" is a qualification acquired in the US and not the UK.
Furthermore, the LMDC said "of utmost concern is that investigation showed that the only University of Hertfordshire in the United Kingdom does not currently offer a medical degree".
The university told the BBC that "following a thorough review of our academic records, we can confirm that there is no evidence that this individual was ever awarded any degree by the University nor studied here. Any claim to the contrary is therefore false and constitutes a misrepresentation of our institution.
"We are cooperating fully with the appropriate authorities in Liberia and will continue to support any investigations as required."
In his education record on LinkedIn, Dr George said he had studied for a "professional doctorate in medicine MD, general medicine" at Hertfordshire between 2010 and 2014. His LinkedIn page has since been taken down.
But in an email to the BBC, Dr George said his primary medical degree was not from the British university. "I never told anyone so. Those are make-up stories," he wrote.
Asked why he had mentioned the University of Hertfordshire, he said: "Maybe I made an error when writing because am under pressure."
Instead, he said his initial medical degree was from the University of Central Nicaragua.
He said that since starting practising medicine in Liberia in 2014, and providing his qualifications to the authorities at the time, no-one had raised an issue with his work.
In fact, he said, he had been promoted and praised for improving the medical facilities at the Chief Jallah Lone Government Hospital in Gbarpolu county.
"I have served the Liberian health sector diligently for over a decade with no record of misconduct," he said.
Dr George argued that problems began to arise after he became the president of the Liberia Medical and Dental Association (LMDA) in December last year.
He said he was continuing "the long-standing advocacy for the rights and welfare of doctors and dentists in the country" and said hostility against him began after the LMDA raised issues with the "reclassification of all government-employed specialists and consultants".
The news that he had been barred from the profession has only just emerged as Dr George was given 15 working days to respond. The medical council said it did not receive a response.
In a statement, the LMDA said it had now "nullified" his presidency and that he was no longer a member of the association.
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16 hours ago
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'Significant evidence' ties air pollution with dementia, study finds
ST. PAUL, Minn., July 24 (UPI) -- British researchers said Thursday they've found "significant evidence" of a long-suspected link between air pollution and dementia after studying data from nearly 30 million people across four continents. The authors of a paper published in The Lancet Planetary Health reviewed data compiled from 32 studies that involved more than 29 million participants, mostly from high-income countries in Europe, North America and Asia, as well as Australia, to "provide more robust overarching conclusions" about the suspected connection. After crunching the numbers from those studies, University of Cambridge researchers said they had identified a "positive and statistically significant association" between dementia and long-term exposure to three types of air pollutants: fine particulate matter with diameters of 2.5 microns or less, nitrogen dioxide, and soot from sources such as vehicle exhaust emissions and burning wood. They also concluded the risks of dementia go up as the levels of exposure increase, especially for the tiny particulate matter, which is so small it can be inhaled deeply into the lungs. For such "PM2.5," every 10 micrograms per cubic meter (μg/m³) of long-term exposure increases an individual's relative risk of dementia by 17%, they found. To put that into perspective, they noted the average roadside measurement for PM2.5 in central London in 2023 was 10 μg/m³. Similarly, for every 10 μg/m³ of long-term exposure to nitrogen dioxide, the relative risk of dementia increased by 3%, while the dementia risk jumped by 13% for each 1 μg/m³ of soot exposure. The study, which was funded by the European Union's scientific research arm, also noted that while traffic-related air pollution is common in cities in high-income countries, "marginalized groups" from low- and middle-income nations and communities not included in the analysis tend to have higher exposures to air pollution and are likely at even greater risk. Senior author Dr. Haneen Khreis of Cambridge's MRC Epidemiology Unit said the findings provide "further evidence to support the observation that long-term exposure to outdoor air pollution is a risk factor for the onset of dementia in previously healthy adults." She added that the mounting evidence makes the case for cleaner air even stronger -- not only for the sake of human health but also for the ability of care systems to cope with the exploding numbers of Alzheimer's disease and other types of dementia. The 57 million people already affected worldwide are expected to almost triple to 153 million cases by 2050, and reducing that avalanche of future illness will require "less burning of fossil fuels, a move to renewable clean energy, a move to clean transportation options, such as walking and cycling, and enacting climate change mitigation strategies," Khreis told UPI in emailed comments. "A coordinated effort would be a multisector, systems-level response -- not unlike how we've approached other public health crises." She and her Cambridge colleagues two years ago created an interactive "evidence map" of hundreds of possible urban policy interventions available by geography to reduce traffic-related emissions and air pollution, which they set up as an aid for planners to become aware of options of which they may not have been previously aware. "There are indeed many options available," Khreis said. "But in short, we need a whole-of-government and whole-of-society approach that views air pollution mitigation as an upstream intervention for brain health, and so many other outcomes that are now convincingly linked to air pollution. We need political will and courage to address this health hazard." Suspected in brain inflammation Scientists has been seeking to establish a definitive link between air pollution and dementia for a decade, as several previous studies have suggested such a connection. For instance, the British government's Committee on the Medical Effects of Air Pollutants reviewed nearly 70 studies in human populations and reported in 2022 that "it is likely that air pollution does contribute" to a decline in mental ability and dementia in older people, although they qualified that more research is needed before recommendations could be issued "with confidence." The 2024 Lancet Commission on dementia prevention, intervention and care, meanwhile, identified air pollution as one of 14 modifiable risk factors for dementia. Most theories about the link center around how air pollution can trigger inflammation in the brain and "excessive oxidative stress," in which the body's ability to combat free radicals with antioxidants is overwhelmed. There is "a wealth of expanding literature that investigates this question," Khreis said, noting that some research indicates the ultrafine particles may be able to bypass the blood-brain barrier and enter the brain directly via the olfactory nerve, thus triggering inflammation. Indirectly, these inhaled pollutants can trigger systemic inflammation and immune responses, such as when they enter the circulatory system and travel to solid organs. The particles can cross into the brain and disrupt microglial function and promote amyloid-β plaque formation, which is associated with dementia, she said. Experts comment Experts and other researchers who have looked at the possible link between air pollution and dementia, but were not connected to the current study, weighed on its findings when contacted by UPI. Dr. Isolde Radford, senior policy manager at the British charitable group Alzheimer's Research U.K., agreed that air pollution "is not just an environmental issue -- it's a serious and growing threat to our brain health. If no one were exposed to air pollution, there would be three fewer cases of dementia for every 100 people who develop it now." She called the current study a "rigorous review [that] adds to mounting evidence that exposure to air pollution -- from traffic fumes to wood burners -- increases the risk of developing dementia," and specifically noted marginalized groups are often exposed to higher levels of pollution, yet remain underrepresented in research. "Future studies must reflect the full diversity of society -- because those most at risk could stand to benefit the most from action," Radford added, calling on the British government to institute a "bold, cross-government approach to health prevention -- one that brings together departments beyond health ... to take coordinated action on the drivers of dementia risk" and move up existing timelines to produce cleaner air. Dr. Hao Chen, a researcher at Guangdong Provincial People's Hospital in China and author of a recent study linking atmospheric pollutants with the progression of cardiometabolic disorders and subsequent dementia, called the Cambridge paper an important document. "This is a landmark study that significantly advances our understanding of the link between air pollution and dementia," he told UPI in emailed comments, noting it is "the largest and most comprehensive meta-analysis to date, significantly advancing previous reviews by including new pollutants and rigorous bias/certainty assessments." It reinforces the findings of the 2024 Lancet Commission, he said, adding, "The public health implications are profound. The findings suggest that efforts to reduce air pollution -- particularly from traffic and industrial sources -- could play a crucial role in lowering the global burden of dementia. "Investing in cleaner air is not only beneficial for respiratory and cardiovascular health; it is a critical investment in protecting our brain health and cognitive longevity. This research provides a compelling, evidence-based mandate for policymakers worldwide to implement stricter air quality standards as an urgent dementia prevention strategy," Chen said. Victoria Williams, an assistant professor of geriatrics and gerontology, and noted Alzheimer's disease researcher at the University of Wisconsin, said the findings suggest "a moderate level of certainty that outdoor air pollution exposure increases risk for dementia, with the studies included considered to be at minimal risk for bias." Since there is currently no cure for dementia, "prevention is key to reducing its overall incidence in our society," she added. "Thus, minimizing exposure to air pollution does reflect a promising strategy in reducing the overall burden of dementia," and unlike other known risk factors linked to lifestyle choices such as smoking and a poor diet, societal action could make a difference. "Limiting exposure to ambient air pollution is well adept to being addressed at a policy level where reductions can offer broad protective effects to a society as a whole," Williams said.


UPI
a day ago
- UPI
'Significant evidence' ties air pollution with dementia, study finds
Smoke from fires in Northern California covers the Bay Bridge in San Francisco in 2020. A British study published this week appears to strengthen the suspected link between long-term exposure to air pollution and the risk of dementia in the elderly. File Photo by Terry Schmitt/UPI | License Photo ST. PAUL, Minn., July 24 (UPI) -- British researchers said Thursday they've found "significant evidence" of a long-suspected link between air pollution and dementia after studying data from nearly 30 million people across four continents. The authors of a paper published in The Lancet Planetary Health reviewed data compiled from 32 studies that involved more than 29 million participants, mostly from high-income countries in Europe, North America and Asia, as well as Australia, to "provide more robust overarching conclusions" about the suspected connection. After crunching the numbers from those studies, University of Cambridge researchers said they had identified a "positive and statistically significant association" between dementia and long-term exposure to three types of air pollutants: fine particulate matter with diameters of 2.5 microns or less, nitrogen dioxide, and soot from sources such as vehicle exhaust emissions and burning wood. They also concluded the risks of dementia go up as the levels of exposure increase, especially for the tiny particulate matter, which is so small it can be inhaled deeply into the lungs. For such "PM2.5," every 10 micrograms per cubic meter (μg/m³) of long-term exposure increases an individual's relative risk of dementia by 17%, they found. To put that into perspective, they noted the average roadside measurement for PM2.5 in central London in 2023 was 10 μg/m³. Similarly, for every 10 μg/m³ of long-term exposure to nitrogen dioxide, the relative risk of dementia increased by 3%, while the dementia risk jumped by 13% for each 1 μg/m³ of soot exposure. The study, which was funded by the European Union's scientific research arm, also noted that while traffic-related air pollution is common in cities in high-income countries, "marginalized groups" from low- and middle-income nations and communities not included in the analysis tend to have higher exposures to air pollution and are likely at even greater risk. Senior author Dr. Haneen Khreis of Cambridge's MRC Epidemiology Unit said the findings provide "further evidence to support the observation that long-term exposure to outdoor air pollution is a risk factor for the onset of dementia in previously healthy adults." She added that the mounting evidence makes the case for cleaner air even stronger -- not only for the sake of human health but also for the ability of care systems to cope with the exploding numbers of Alzheimer's disease and other types of dementia. The 57 million people already affected worldwide are expected to almost triple to 153 million cases by 2050, and reducing that avalanche of future illness will require "less burning of fossil fuels, a move to renewable clean energy, a move to clean transportation options, such as walking and cycling, and enacting climate change mitigation strategies," Khreis told UPI in emailed comments. "A coordinated effort would be a multisector, systems-level response -- not unlike how we've approached other public health crises." She and her Cambridge colleagues two years ago created an interactive "evidence map" of hundreds of possible urban policy interventions available by geography to reduce traffic-related emissions and air pollution, which they set up as an aid for planners to become aware of options of which they may not have been previously aware. "There are indeed many options available," Khreis said. "But in short, we need a whole-of-government and whole-of-society approach that views air pollution mitigation as an upstream intervention for brain health, and so many other outcomes that are now convincingly linked to air pollution. We need political will and courage to address this health hazard." Suspected in brain inflammation Scientists has been seeking to establish a definitive link between air pollution and dementia for a decade, as several previous studies have suggested such a connection. For instance, the British government's Committee on the Medical Effects of Air Pollutants reviewed nearly 70 studies in human populations and reported in 2022 that "it is likely that air pollution does contribute" to a decline in mental ability and dementia in older people, although they qualified that more research is needed before recommendations could be issued "with confidence." The 2024 Lancet Commission on dementia prevention, intervention and care, meanwhile, identified air pollution as one of 14 modifiable risk factors for dementia. Most theories about the link center around how air pollution can trigger inflammation in the brain and "excessive oxidative stress," in which the body's ability to combat free radicals with antioxidants is overwhelmed. There is "a wealth of expanding literature that investigates this question," Khreis said, noting that some research indicates the ultrafine particles may be able to bypass the blood-brain barrier and enter the brain directly via the olfactory nerve, thus triggering inflammation. Indirectly, these inhaled pollutants can trigger systemic inflammation and immune responses, such as when they enter the circulatory system and travel to solid organs. The particles can cross into the brain and disrupt microglial function and promote amyloid-β plaque formation, which is associated with dementia, she said. Experts comment Experts and other researchers who have looked at the possible link between air pollution and dementia, but were not connected to the current study, weighed on its findings when contacted by UPI. Dr. Isolde Radford, senior policy manager at the British charitable group Alzheimer's Research U.K., agreed that air pollution "is not just an environmental issue -- it's a serious and growing threat to our brain health. If no one were exposed to air pollution, there would be three fewer cases of dementia for every 100 people who develop it now." She called the current study a "rigorous review [that] adds to mounting evidence that exposure to air pollution -- from traffic fumes to wood burners -- increases the risk of developing dementia," and specifically noted marginalized groups are often exposed to higher levels of pollution, yet remain underrepresented in research. "Future studies must reflect the full diversity of society -- because those most at risk could stand to benefit the most from action," Radford added, calling on the British government to institute a "bold, cross-government approach to health prevention -- one that brings together departments beyond health ... to take coordinated action on the drivers of dementia risk" and move up existing timelines to produce cleaner air. Dr. Hao Chen, a researcher at Guangdong Provincial People's Hospital in China and author of a recent study linking atmospheric pollutants with the progression of cardiometabolic disorders and subsequent dementia, called the Cambridge paper an important document. "This is a landmark study that significantly advances our understanding of the link between air pollution and dementia," he told UPI in emailed comments, noting it is "the largest and most comprehensive meta-analysis to date, significantly advancing previous reviews by including new pollutants and rigorous bias/certainty assessments." It reinforces the findings of the 2024 Lancet Commission, he said, adding, "The public health implications are profound. The findings suggest that efforts to reduce air pollution -- particularly from traffic and industrial sources -- could play a crucial role in lowering the global burden of dementia. "Investing in cleaner air is not only beneficial for respiratory and cardiovascular health; it is a critical investment in protecting our brain health and cognitive longevity. This research provides a compelling, evidence-based mandate for policymakers worldwide to implement stricter air quality standards as an urgent dementia prevention strategy," Chen said. Victoria Williams, an assistant professor of geriatrics and gerontology, and noted Alzheimer's disease researcher at the University of Wisconsin, said the findings suggest "a moderate level of certainty that outdoor air pollution exposure increases risk for dementia, with the studies included considered to be at minimal risk for bias." Since there is currently no cure for dementia, "prevention is key to reducing its overall incidence in our society," she added. "Thus, minimizing exposure to air pollution does reflect a promising strategy in reducing the overall burden of dementia," and unlike other known risk factors linked to lifestyle choices such as smoking and a poor diet, societal action could make a difference. "Limiting exposure to ambient air pollution is well adept to being addressed at a policy level where reductions can offer broad protective effects to a society as a whole," Williams said.

USA Today
a day ago
- USA Today
Israel and US recall teams from Gaza truce talks, US says Hamas not showing good faith
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