cancer research

New research has identified 485 chemicals used in US pesticide products that are linked to breast cancer. The findings, reported by The Guardian, are raising concerns about consumer and worker exposure to common agricultural chemicals and prompting calls for tighter regulation and further safety review of pesticide ingredients.

AstraZeneca has invested $2bn in US biotech firm Summit Therapeutics as part of a major cancer research collaboration. The FTSE 100 drugmaker agreed to buy 109,000 shares in the Nasdaq-listed company at $18.36 per share, funding a tie-up aimed at developing new cancer treatments.

A new study shows that loss of parts of the Y chromosome, a change seen in many men as they age, can actively drive cancer development. Researchers report the missing genetic material affects tumour growth in men, offering a possible explanation for why certain cancers behave differently between the sexes.

New reporting highlights that people who survived cancer in childhood face a significantly elevated risk of serious mental health difficulties in adulthood, including depression, anxiety and other psychiatric conditions. The findings point to long-term psychological effects of early cancer diagnosis and treatment, and renew calls for survivors to receive sustained mental health monitoring and support, not just physical follow-up care, well into their adult lives.

Researchers led by Dr. Jona Kayser at MPZPM report that physical processes in dense cell populations strongly influence the best timing of treatment cycles, with implications for both cancer therapy and antibiotics. Treatment resistance remains one of the central challenges in medicine, and the findings suggest that timing could be adjusted based on how tightly cells pack together rather than on biology alone. The work points to new ways of scheduling therapies to delay or avoid resistance.

Researchers report observing how an aggressive brain cancer physically remodels brain tissue as it grows, offering a live view of tumor progression. The findings shed light on how deadly brain tumors invade and distort surrounding structures, which could inform future treatment approaches. The work is drawing attention for its striking visualization of the disease's effects on the brain.

Researchers publishing in Communications Biology report that deletions and regulatory disruption of the Y chromosome recur across cancers, suggesting loss of this chromosome may play a functional role in tumour development rather than being a harmless byproduct. The findings add to growing interest in how sex chromosome instability shapes cancer risk and progression in men.

UF Health researchers report that cancer diagnoses in the United States drop sharply during holiday periods, while outcomes for patients diagnosed around those dates are worse. The findings suggest holiday disruptions delay screenings and follow-up care, allowing cancers to be caught at later, harder-to-treat stages, and raise questions about how seasonal healthcare patterns affect patient survival.

Coverage is circulating of the second part of a highlights roundup from the World Cancer Congress 2026, summarising key presentations and developments shared at the global oncology gathering. The roundup is aimed at cancer professionals and researchers following the congress remotely, distilling sessions into digestible takeaways. Interest centres on what new research, treatment approaches and policy discussions were featured at this year's event.

A new report outlines how biological research is changing the way breast cancer is diagnosed and treated. Understanding tumour biology is increasingly guiding treatment choices, moving care away from one-size-fits-all approaches toward therapies matched to the specific characteristics of each patient's cancer. The piece has drawn attention from clinicians and patient advocates following shifts in treatment standards.

New research suggests that analysing the biology of prostate cancer tumours can help doctors identify which patients are most likely to benefit from hormone therapy. The findings could support more personalised treatment decisions, allowing clinicians to target therapy at those most likely to respond rather than applying it universally. The report has drawn attention in medical news coverage.

The Trump administration has committed more than $5 billion to a program called the Genesis Mission, aimed at advancing cancer research, semiconductor development, and quantum computing. The initiative signals a major federal investment in strategic technologies, combining health science goals with industrial policy on chips and next-generation computing capabilities.

Mount Sinai has announced a collaborative research agreement to evaluate a novel liquid radioembolic agent for treating brain tumors. The therapy would deliver radiation directly to tumor tissue in liquid form, an approach being explored for cancers that are difficult to treat surgically. Details on the partner institution, trial design and timeline have not yet been released, and clinical results remain pending.

Volunteers and advocates with the American Cancer Society's Cancer Action Network visited Capitol Hill to meet with members of Congress, urging support for cancer research funding and patient-focused legislation. The advocacy day brings grassroots concerns about prevention, treatment access, and federal research investment directly to lawmakers, and is part of the organization's ongoing effort to keep cancer policy on the national legislative agenda.

The World Cancer Congress 2026 is drawing attention with a roundup of its key moments and announcements. Coverage so far focuses on highlights from the global gathering of cancer researchers, clinicians and advocates, though specific findings or policy outcomes have not yet been detailed. Interest is expected to grow as sessions conclude and results are shared.

New figures from the European Commission show that 5% of Europeans consumed alcohol every day in 2025. The statistic highlights that despite overall declines in drinking across much of the continent, a small but notable share of the population still drinks daily, a pattern linked in public health research to higher risks of liver disease, cancer and other harms. Health advocates are likely to use the data in ongoing debates over alcohol pricing, advertising and labelling rules across EU member states.

Research published in Nature reports that the p53 tumour suppressor protein maintains a balance between transcription and DNA replication, and that this balance prevents chromothripsis, a catastrophic form of chromosome shattering linked to cancer. The finding adds to understanding of how p53 suppresses tumours beyond its established roles in cell-cycle control and apoptosis, and highlights genome instability mechanisms relevant to cancer research.

Researchers have highlighted three previously overlooked RNA molecules as potential new markers for colorectal cancer. The findings suggest these molecules could help detect the disease earlier and guide treatment choices, offering a possible addition to existing screening and diagnostic tools. Colorectal cancer remains one of the most common cancers worldwide, so any lead on earlier detection is drawing scientific and media attention.

Researchers have documented recurrent deletions and regulatory disruption of the Y chromosome across cancer types, according to a study published in Nature. The work suggests loss or alteration of Y chromosome genetic material may play a functional role in tumour development rather than being incidental, opening questions about how such changes influence cancer biology and potential sex-based differences in disease.

Iowa State University researchers are working on ways to reduce firefighters' elevated risk of cancer, which has been linked to exposure to toxic chemicals and smoke on the job. The Gazette reports on the effort, which comes as firefighting is increasingly recognised as a hazardous occupation with higher cancer rates than the general population.

Dr. Ilyas Sahin has drawn attention to a new scientific study on colorectal cancer liver metastasis, one of the most common and difficult sites of colorectal cancer spread. The findings are being shared among oncology watchers interested in how the disease progresses and what new treatment approaches might follow.

News coverage is highlighting lung cancer cases in people who have never smoked, a group historically overlooked in screening and public awareness. Reports note that never-smokers can develop the disease, often at later diagnosis, and discussion is focusing on possible causes such as air pollution, genetic factors, and radon exposure, as well as what this means for screening guidelines and research funding.

UT Health San Antonio is working to find a cure for liver cancer, a disease affecting communities across South Texas at elevated rates. The health institution's research efforts were highlighted in local coverage, drawing attention to the region's particular vulnerability and the push for better treatments.