Explore every Policy Ledger article written by Aamani Yelishetti.
View all 481 articlesSummary: NIH researchers identified rare antibodies with potential relevance to alpha-gal syndrome, an allergy associated with tick bites that can trigger reactions to certain animal products.
Read articleSummary: NIH reported that a GLP-1 drug extended lifespan and reduced age-related decline in older female mice, but the findings do not establish an anti-aging benefit in humans.
Read articleSummary: NIH reported research suggesting depression may interfere with the development of new neurons in a brain region important for memory, offering a possible clue rather than a complete explanation.
Read articleSummary: NIH reviewed research into biological factors that may contribute to multiple sclerosis, a disease in which the immune system damages protective coverings around nerve fibers.
Read articleSummary: NIH highlighted research suggesting an association between endometriosis and later type 2 diabetes risk, adding to evidence that reproductive health and metabolic health may intersect.
Read articleSummary: NIH summarized an early-stage clinical trial in which microbiome transplants were used to treat some peanut allergies, an experimental approach that needs much more study before routine use.
Read articleSummary: NIH highlighted early research in which engineered transfer RNA delivered by lipid nanoparticles restored functional proteins in cell and animal models of cystic fibrosis.
Read articleSummary: NIH reported that a clinical trial found a common antiviral drug did not improve Long COVID symptoms when given for up to 25 days, underscoring the difficulty of finding effective treatments.
Read articleSummary: Federal health authorities are advancing early clinical trials of ibogaine to study potential uses for opioid addiction and PTSD, while safety concerns remain central to the research.
Read articleSummary: Reporting from the western United States described influenza activity rising earlier than usual in some areas, prompting renewed attention to vaccination and seasonal prevention.
Read articleSummary: New York declared a statewide disaster emergency after reporting 108 measles cases through October 3, expanding certain testing and vaccination measures in affected communities.
Read articleSummary: Reuters reported that the CDC had recorded 4,080 confirmed measles cases in the United States as of October 8, underscoring the continuing risk of a highly contagious disease.
Read articleSummary: Reuters reported that pharmaceutical researchers are increasingly using AI simulations of virtual patients to estimate how experimental medicines might perform before or during traditional clinical trials.
Read articleSummary: An NIH-funded project produced detailed molecular maps of Alzheimer’s and related brain disorders, offering researchers a resource for studying differences among brain cells and disease processes.
Read articleSummary: The NIH announced major investments in organoids, robotics, artificial intelligence, and other human-based research methods intended to improve biomedical research and reduce reliance on animal models where appropriate.
Read articleSummary: The FDA approved the first gene therapy for pediatric patients with Sanfilippo syndrome type A, a rare inherited disorder, while long-term monitoring remains important.
Read articleSummary: The FDA approved the first treatment for MCT8 deficiency, a rare genetic condition that disrupts thyroid-hormone transport and can affect development and health.
Read articleSummary: The FDA approved a heart valve designed to accommodate growth in children, addressing a long-standing challenge for some young patients who need valve replacement.
Read articleSummary: The FDA granted accelerated approval to a new breast cancer treatment, creating another option for some patients while leaving important questions about long-term benefit and eligibility.
Read articleSummary: The FDA approved zilganersen (Zanvastro), the first treatment for Alexander disease. The medicine targets a biological process linked to the rare, progressive neurological condition, offering a new option for children and adults.
Read articleSummary: Reuters reported that Genmab and AbbVie announced positive late-stage trial results for a combination therapy for newly diagnosed lymphoma patients.
Read articleSummary: Reuters reported that the FDA expanded remibrutinib's approved use for adults with symptomatic dermographism, a chronic condition in which friction or scratching can trigger itchy welts.
Read articleSummary: The FDA announced steps intended to maintain newborn access to specialized starter nutrition products. The issue highlights how reliable supplies, safety oversight, and professional feeding guidance are essential for infants…
Read articleSummary: The FDA announced approval of a heart valve designed to grow with children. The technology may address the challenge that some implanted valves can become too small as a child grows, though individual suitability depends on…
Read articleSummary: The FDA announced approval of the first gene therapy for pediatric patients with Sanfilippo syndrome type A, a rare inherited disorder.
Read articleSummary: The FDA announced approval of the first treatment for MCT8 deficiency, a rare genetic condition affecting thyroid-hormone transport.
Read articleSummary: Associated Press reported more than 1,000 measles cases in Pennsylvania, including hospitalizations and deaths. The outbreak is part of a wider national increase and highlights the importance of vaccination coverage.
Read articleSummary: Reuters reported that New York declared a statewide disaster emergency after 108 measles cases were reported in 2026 as of October 3. The state expanded some testing and vaccination measures in affected communities.
Read articleSummary: Reporting described rising influenza activity earlier than usual in parts of the western United States. An early start does not guarantee a severe season, but vaccination and continued surveillance remain important.
Read articleSummary: CDC reported that about one in 38 hospitalized patients had at least one healthcare-associated infection on a given day in 2023, compared with about one in 31 in 2015.
Read articleDemocratic Republic of the Congo. Response measures include early detection, safe care, clear communication, and coordination with affected communities.
Read articleSummary: WHO and partners announced an initiative to improve access to mpox vaccines. Vaccine availability needs to be paired with delivery systems, public information, testing, and surveillance.
Read articleSummary: WHO validated Timor-Leste for eliminating trachoma as a public-health problem. The infectious eye disease can cause preventable vision loss, and control efforts include treatment, hygiene, and improvements in water and sanitation.
Read articleSummary: WHO validated Bhutan for eliminating dog-transmitted human rabies as a public-health problem. Prevention depends on dog vaccination, animal surveillance, community awareness, and prompt medical care after possible exposure.
Read articleSummary: WHO recognized Chile as the first country in South America validated for eliminating dog-transmitted rabies as a public-health problem.
Read articleSummary: WHO published an update on global trends in cholera, meningitis, and plague. The diseases have different causes and transmission patterns, but each requires surveillance, timely diagnosis, and access to appropriate prevention…
Read articleSummary: WHO announced recommendations for the composition of influenza vaccines for the 2027 southern hemisphere season. Global surveillance helps scientists identify circulating viruses and guide vaccine development.
Read articleSummary: WHO reported that world leaders renewed a commitment to protect the world from future pandemics. Preparedness relies on disease surveillance, strong health systems, international cooperation, and fair access to medical tools.
Read articleSummary: WHO released guidance to help event organizers and public-health authorities prevent heat-related illness at large gatherings. Planning can include weather monitoring, shade, drinking water, trained staff, and emergency procedures.
Read articleSummary: NIH announced a $21 million initiative to develop computational methods for studying hormone regulation and how biological differences may influence medication response, dosing, and toxicity.
Read articleSummary: NIH highlighted a major study creating high-resolution molecular maps of Alzheimer's and related brain disorders. The work may help researchers understand cellular mechanisms and guide future studies of diagnosis and treatment.
Read articleSummary: NIH announced investments in human-based research tools, including organoid models, robotics, artificial intelligence, and data infrastructure.
Read articleSummary: CDC reported that cancer death rates for men and women fell from 2019 to 2023. The report highlighted progress against lung cancer, although lung cancer remains the leading cause of cancer death in the United States.
Read articleSummary: CDC's investigation update reported 76 cases across 16 states and six hospitalizations among 68 people with hospitalization information.
Read articleSummary: CDC launched a central online resource for fatal and nonfatal overdose data and prevention strategies. Provisional estimates predicted 67,798 overdose deaths in the 12 months ending March 2026, 12.3% below the comparable…
Read articleSummary: CDC data showed improvements from 2023 to 2025 in several youth mental-health measures. Persistent sadness or hopelessness fell from 40% to 33%, while the share reporting poor mental health declined from 29% to 23%.
Read articleSummary: WHO issued guidance to expand safe and effective contraceptive options. The organization estimated that 164 million women who want to delay or avoid pregnancy were not using contraception.
Read articleSummary: WHO urged countries to shift from relying mainly on institutional mental-health care toward community-based services, with care closer to where people live and stronger respect for their rights and preferences.
Read articleSummary: WHO and partners launched a roadmap for hypertensive disorders of pregnancy, including pre-eclampsia. WHO estimates these disorders complicate 10–15% of pregnancies and account for around 16% of maternal deaths globally.
Read articleSummary: WHO said 170 million people ages 5–19 were living with obesity in 2024, and prevalence in this age group had risen from 2% in 1990 to 8% in 2024. Its new guidelines call for timely, evidence-based, people-centred care.
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