Health
Overdiagnosis of Prostate Cancer May Explain Wide Variations in Incidence Across Europe, Study Finds
A new study published in the British Medical Journal has revealed that overdiagnosis of prostate cancer in Europe could be contributing to significant differences in cancer incidence rates across countries. While incidence rates varied up to 20-fold between nations, mortality rates only fluctuated by about five times, highlighting a potential disparity in how the disease is being diagnosed and treated.
Overdiagnosis occurs when a tumour is detected that would not have caused symptoms or death during an individual’s lifetime, leading to unnecessary treatments that may negatively impact a patient’s quality of life. The study suggests that widespread use of PSA (prostate-specific antigen) testing, particularly through opportunistic screening, may be driving overdiagnosis.
“The results of this study are compatible with large overdiagnosis of prostate cancer occurring as a consequence of opportunistic screening with PSA testing,” said Dr. Salvatore Vaccarella, the study’s lead author and a scientist at the International Agency for Research on Cancer (IARC).
Prostate cancer is a significant health issue in Europe, representing nearly a quarter of new cancer cases among men in 2020, with over 70,000 deaths attributed to the disease that year. The risk of overdiagnosis and subsequent overtreatment is higher for prostate cancer than for other cancers, such as breast, cervical, or colorectal, the study noted.
Most European countries, except Lithuania, which has implemented a wide screening programme since 2006, rely on individual-based decisions for PSA testing rather than population-wide screening. However, the study warned that PSA testing as part of routine healthcare or opportunistic screening is not optimal for reducing population-level impacts.
A 2009 study found that 23% to 42% of men diagnosed through PSA testing would have lived without ever knowing they had prostate cancer, further raising concerns about the screening method. The researchers emphasized that any future implementation of prostate cancer screening must be carefully designed to reduce the harms of overdiagnosis.
“The results of this new study emphasize the importance of carefully designing prostate cancer screening to minimize overdiagnosis, with proper quality assurance and monitoring,” Vaccarella added.
The findings were based on an analysis of data collected from 1980 to 2017 from men aged 35 to 84 across 26 European countries. However, the researchers cautioned that the observational nature of the study means no direct conclusions about cause and effect can be drawn.
Health
FDA Clears AI Tool to Improve Detection of Fetal Abnormalities in Ultrasounds
A new artificial intelligence software designed to enhance prenatal ultrasound screenings has received clearance from the United States Food and Drug Administration (FDA), offering a potential boost to the detection of fetal abnormalities.
Developed by the American start-up BioticsAI, the tool integrates with existing ultrasound machines to analyze images in real time, highlighting potential issues during scans. Prenatal ultrasounds are widely used throughout pregnancy to identify potential problems in a developing fetus, including malformations in organs or limbs. Yet studies suggest that routine scans can miss a significant number of abnormalities.
According to research, a single early scan performed between 11 and 14 weeks of pregnancy detects only about 38 percent of birth defects. A mid-pregnancy scan, typically conducted between 18 and 24 weeks, identifies roughly 51 percent of abnormalities. When both scans are performed, detection rises to 84 percent, leaving a remaining gap in diagnosis.
BioticsAI’s software works by analyzing each fetal image as it is captured. It evaluates image quality, suggesting adjustments to ensure a clear view of the fetus, and checks whether all parts of the baby are visible. Using data patterns drawn from a global database, the system can detect anomalies, including heart or limb defects, and flag them for the doctor during the scan. After the examination, the software generates a report compiling all findings for clinical review.
Developers say the tool can also save healthcare professionals roughly eight minutes per patient in documentation time. The FDA’s clearance confirms that the software meets medical device performance standards and can be safely integrated into current ultrasound systems.
The approval comes amid ongoing challenges in prenatal care. In Europe, major congenital anomalies occur in about 23.9 per 10,000 births. AI-driven tools are emerging as a promising supplement to conventional scans. French companies Diagnoly and Sonio Detect have also received approval for AI-assisted ultrasound solutions, which automatically identify fetal structures and detect potential heart issues.
Experts say integrating AI into prenatal care could improve early detection rates and help doctors provide timely interventions or monitoring. Real-time feedback during scans ensures that images are complete and abnormalities are less likely to be missed.
BioticsAI’s FDA-cleared tool is expected to be rolled out in clinics across the United States, offering clinicians an additional layer of support in detecting congenital abnormalities. As AI technologies continue to expand in healthcare, prenatal care is emerging as a key area where machine learning can complement human expertise, improving outcomes for both mothers and babies.
Health
Early Flu Wave Hits Europe as Experts Offer Tips to Ease Symptoms
Most people catch a cold in winter, battling fatigue, runny noses, sneezes, coughs, and congestion. This season, an unusually early flu wave has affected millions across Europe, prompting health authorities to offer guidance on managing symptoms.
Typically, influenza season runs from mid-November to late May. However, figures from the European Centre for Disease Prevention and Control (ECDC) indicate that cases in 2025 surged three to four weeks earlier than in the previous two seasons. The agency reports that flu circulation remains high, though it has recently peaked in most regions.
While there are no specific cures for the flu and the common cold, some simple measures can help manage symptoms and improve comfort. Experts recommend a combination of hydration, rest, and symptom relief to support recovery.
Drinking enough fluids is particularly important. Water, broths, and warm beverages with honey, lemon, or ginger can help prevent dehydration, loosen mucus, and soothe irritated airways. Health authorities caution against alcohol, coffee, and other caffeinated drinks, which can act as diuretics and worsen congestion and sore throats.
Gargling with warm salt water is another simple measure to ease throat pain and reduce inflammation. Mixing one teaspoon of salt in a cup of warm water and using it several times a day can provide relief and help clear mucus.
Rest is essential for recovery. Adults are advised to sleep seven to nine hours a night, and to take naps as needed to allow the immune system to combat the virus. Light exercise such as short walks or yoga may be suitable for mild symptoms, but physical activity should be avoided if fever is present or chest symptoms worsen, to prevent complications.
Maintaining moisture in the environment can also alleviate symptoms. Dry air worsens congestion and sore throats, while humidified air hydrates airways and helps clear mucus. Higher humidity can also reduce how long some respiratory viruses survive in the air.
Medicines can relieve symptoms but do not cure viral infections. Decongestants, such as saline sprays or drops, can ease nasal congestion. Painkillers, including ibuprofen, may reduce fever and discomfort in adults. Antibiotics are not effective against colds or flu and should be avoided to prevent antibiotic resistance.
Health authorities emphasize that these measures, combined with good hygiene and vaccination where appropriate, are key to limiting the impact of seasonal viruses. The ECDC notes that most healthy adults recover from flu within about a week, while a common cold may last up to two weeks.
With the early flu wave affecting millions across Europe, simple steps such as staying hydrated, resting, and taking appropriate symptom relief can help patients recover safely and reduce strain on healthcare services.
Health
Climate Change Drives Respiratory Illness, Push for Low-Carbon Inhalers Grows
As climate change worsens respiratory diseases, doctors and drugmakers are exploring earlier diagnosis and low-carbon inhalers to cut emissions from care and protect patients.
For millions of people worldwide, climate change is already affecting breathing. Rising air pollution, longer pollen seasons, and smoke from wildfires are contributing to asthma attacks, lung damage, and other chronic respiratory illnesses. At the same time, the health systems treating these conditions are themselves contributing to greenhouse gas emissions.
Experts note that over 90 percent of the global population breathe air with particulate levels above World Health Organization recommendations. Climate extremes and poor air quality are increasing the frequency and severity of respiratory diseases, from exacerbations to disease onset. Therese Laperre, head of the respiratory department at University Hospital Antwerp, said changes in particulate matter can trigger emergency visits for asthma and chronic pulmonary diseases days later. A European Environment Agency study estimated that more than a third of chronic respiratory disease deaths in Europe are linked to environmental factors such as pollution, extreme temperatures, wildfire smoke, and allergenic pollen.
Worldwide, an estimated 400 to 500 million adults live with COPD, and over 250 million have asthma. Health care responses come with their own climate cost. Health Care Without Harm estimates global health services generate about five percent of worldwide greenhouse gas emissions, which could rise to six gigatons annually by 2050 if unchecked, equivalent to more than a billion cars on the road. Hospitals, particularly intensive care units, are among the most carbon-intensive, due to high energy use, equipment, and single-use materials.
Respiratory specialists emphasize that early disease control benefits both patients and the environment. Philippe Tieghem from the French respiratory association Sante Respiratoire said early diagnosis allows for better patient care while reducing emissions.
Inhalers, commonly used to treat asthma and COPD, illustrate the challenge. Traditional pressurised metered-dose inhalers (pMDIs) use hydrofluorocarbon propellants, which contribute 16–17 million tonnes of CO₂-equivalent emissions globally each year. The UK’s National Health Service estimates these inhalers account for around three percent of its carbon footprint.
Pharmaceutical companies are developing greener alternatives. AstraZeneca’s reformulated COPD inhaler uses a new propellant, HFO‑1234ze(E), cutting its global warming potential by roughly 99.9 percent compared with older devices. The company has pledged to reduce its emissions by 98 percent by 2026, starting with inhalers. Pfizer and Johnson & Johnson have committed to net-zero targets by 2040 and 2045, respectively.
Pablo Panella, senior vice-president for respiratory diseases at AstraZeneca, told Euronews Health that early detection, diagnosis, and treatment keep patients controlled in the community, reducing hospital admissions and the high-carbon interventions that come with them. Panella also stressed the importance of regulation that supports innovation, allowing low-carbon technologies to reach patients more quickly.
Better disease control, combined with environmentally conscious products, is creating the concept of the “green patient”: someone whose chronic condition is managed well enough to avoid repeated flare-ups, hospital stays, and carbon-intensive treatments.
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