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The Lancet


The Lancet: Blood pressure and cholesterol levels in adults over 40 with obesity increasingly similar to adults with normal BMI, study suggests

A study published in The Lancet found that blood pressure and cholesterol levels among adults with obesity have converged with those with a normal Body Mass Index (BMI) over the past three decades, particularly in high-income countries. This trend is attributed to the greater use of cholesterol-lowering medication and blood pressure me...

SourceThe Lancet·JournalThe Lancet·TypeObservational study·DateJul 1, 2026

The Lancet Obstetrics, Gynaecology, & Women’s Health: Lack of good evidence that majority of IVF ‘add-ons’ improve fertility, finds most comprehensive study to date

A systematic review and meta-analysis found no strong evidence that most IVF add-ons improve fertility. However, weak evidence suggests benefits from EmbryoGlue, endometrial scratching, and physiological intracytoplasmic sperm injection. The study aimed to provide evidence-based information for patients making decisions about IVF add-ons.

SourceThe Lancet·TypeMeta-analysis·DateJun 23, 2026

The Lancet: Combined food policies, including labelling and advertising bans, have real-world impact on reducing child obesity, first evidence plausibly shows

A study published in The Lancet found that Chile's comprehensive food policies, including labelling and advertising bans, have a real-world impact on reducing child obesity. After implementing the Food Labelling and Advertising Law in 2016, children who had been at school for 18 months showed a lower risk of overweight or obesity compa...

SourceThe Lancet·JournalThe Lancet·TypeObservational study·DateJun 11, 2026

The Lancet Psychiatry: No clear link between common antidepressant use in pregnancy and autism or ADHD in children, finds most comprehensive study to date

A systematic review and meta-analysis published in The Lancet Psychiatry found no clear link between common antidepressant use in pregnancy and increased risk of neurodevelopmental disorders like autism and ADHD in children. However, the study suggests that genetic predisposition and other factors may contribute to an increased risk.

SourceThe Lancet·JournalThe Lancet Psychiatry·TypeMeta-analysis·DateMay 14, 2026

The Lancet: GLP-1 reduces heavy drinking days in treatment seeking people with alcohol use disorder and obesity, finds small trial

A small trial found that once-weekly semaglutide injections reduced heavy drinking days by an average of 12 days in patients with alcohol use disorder and obesity. The study showed a 50% higher reduction than the placebo group, suggesting potential benefits for GLP-1s in treating alcohol use disorder.

SourceThe Lancet·JournalThe Lancet·TypeRandomized controlled/clinical trial·DateApr 30, 2026

The Lancet Neurology: Over 250,000 deaths from meningitis globally in 2023; over one third in children under five, suggests most comprehensive global assessment to date

Globally, meningitis resulted in over 259,000 deaths and 2.5 million infections in 2023, according to a comprehensive study. The disease disproportionately affects low-income countries, particularly in Africa, where air pollution, premature birth, and low birthweight are major risk factors for death.

SourceThe Lancet·JournalThe Lancet Neurology·TypeObservational study·DateMar 27, 2026

The Lancet Global Health: Modelling suggests climate change could drive millions globally into physical inactivity by 2050 and be linked to an estimated half a million premature deaths

A new study models the impact of climate change on physical activity globally, predicting millions will be driven into inactivity by 2050. The study suggests this could lead to hundreds of thousands of premature deaths and billions of dollars in lost productivity.

SourceThe Lancet·JournalThe Lancet Global Health·TypeComputational simulation/modeling·DateMar 16, 2026

The Lancet: New weight loss pill leads to greater blood sugar control and weight loss for people with diabetes than current oral GLP-1, phase 3 trial finds

A phase 3 trial found that orforglipron, a novel GLP-1 receptor agonist pill, leads to greater blood sugar control and weight loss than current oral GLP-1 RA semaglutide in people with type 2 diabetes. Participants taking orforglipron had significantly greater reductions in body weight and blood sugar levels.

SourceThe Lancet·JournalThe Lancet·TypeRandomized controlled/clinical trial·DateFeb 26, 2026

The Lancet: Single daily pill shows promise as replacement for complex, multi-tablet HIV treatment regimens

A new daily oral tablet combining bictegravir and lenacapavir (BIC/LEN) was found to be highly effective in maintaining HIV suppression, with nearly 96% of participants who switched to this simplified regimen maintaining viral suppression. The treatment showed similar results compared to complex, multi-pill treatments.

SourceThe Lancet·JournalThe Lancet·TypeRandomized controlled/clinical trial·DateFeb 25, 2026

The Lancet Obstetrics, Gynecology, & Women’s Health: Taking paracetamol during pregnancy does not increase risk of autism, ADHD or intellectual disabilities, confirms new gold-standard evidence review

A new systematic review and meta-analysis of 43 studies confirms paracetamol during pregnancy is not linked to increased risks of autism, ADHD, or intellectual disabilities. The findings suggest alternative maternal factors may be responsible for previously reported associations.

SourceThe Lancet·TypeMeta-analysis·DateJan 16, 2026

The Lancet: COVID-19 vaccine hesitancy decreased over time, though mistrust persists among certain groups, study of over 1 million people in England suggests

A study of over 1.1 million people in England found that most COVID-19 vaccine hesitancy is addressable and can be reduced over time. Among those who initially expressed hesitation, 65% went on to get vaccinated at least once, highlighting the potential for targeted messaging and information to improve vaccine uptake.

SourceThe Lancet·JournalThe Lancet·TypeObservational study·DateJan 12, 2026

The Lancet: New single dose oral treatment for gonorrhoea effectively combats drug-resistant infections, trial finds

A new single-dose oral medication called zoliflodacin shows promise as a treatment for antibiotic-resistant gonorrhoea, with over 90% of infections cured at genital sites. The medication is well-tolerated and has the potential to improve global efforts to control drug-resistant gonorrhea infections.

SourceThe Lancet·JournalThe Lancet·TypeRandomized controlled/clinical trial·DateDec 11, 2025

The Lancet Psychiatry: Slow tapering plus therapy most effective strategy for stopping antidepressants, finds major meta-analysis

A systematic review and network meta-analysis of 76 randomised controlled trials found that slow tapering of antidepressants combined with psychological support prevented relapse over the following year to a similar extent as remaining on an antidepressant. This approach could change how coming off antidepressants is managed globally.

SourceThe Lancet·JournalThe Lancet Psychiatry·TypeMeta-analysis·DateDec 10, 2025

The Lancet Respiratory Medicine: Monthly injection may help severe asthma patients safely reduce or stop daily oral steroid use

A new phase 3b clinical trial found that nearly 90% of severe asthma patients were able to reduce their steroid dose to a low dose after one year of treatment with the biologic medication Tezepelumab. The treatment also significantly improved asthma symptoms, lung function, and overall quality of life, while minimizing steroid use.

SourceThe Lancet·JournalThe Lancet Respiratory Medicine·TypeRandomized controlled/clinical trial·DateNov 26, 2025

The Lancet Child & Adolescent Health: High blood pressure in children and adolescents nearly doubled between 2000 and 2020, suggests largest global study to date

The prevalence of high blood pressure among children and adolescents increased from 3.2% to 6.2% between 2000 and 2020, with obesity identified as a substantial driver. Early detection and prevention efforts are crucial to control high blood pressure in children and reduce the risks of future health complications.

SourceThe Lancet·JournalThe Lancet Child & Adolescent Health·TypeObservational study·DateNov 12, 2025

The Lancet: Tens of thousands of children aged under five suffering acute malnutrition in Gaza, recent estimates suggest

Recent estimates suggest tens of thousands of children in Gaza are suffering from acute malnutrition, with over 12,800 severely so. The study tracks wasting among children during the war and highlights unprecedented increases in child malnutrition following periods of blockades and severe aid restrictions.

SourceThe Lancet·JournalThe Lancet·TypeObservational study·DateOct 8, 2025

The Lancet: Billions lack access to healthy diets as food systems drive climate and health crises, but sustainable, equitable solutions are within reach, says new EAT-Lancet report

The new EAT-Lancet report highlights the urgent need for a sustainable, equitable food system, with nearly 3.7 billion people lacking access to a healthy diet. Adhering to the Planetary Health Diet can reduce chronic disease risk and prevent approximately 15 million premature deaths per year.

SourceThe Lancet·JournalThe Lancet·TypeComputational simulation/modeling·DateOct 2, 2025

The Lancet Diabetes & Endocrinology: Higher doses of semaglutide can safely enhance weight loss and improve health for adults living with obesity, two new clinical trials confirm

Two large-scale clinical trials found that a higher dose of semaglutide significantly improves weight loss and related health outcomes in adults with obesity. The study revealed an average weight loss of nearly 19% in those receiving the higher dose, compared to 10% with the standard dose or placebo.

SourceThe Lancet·JournalThe Lancet Diabetes & Endocrinology·TypeRandomized controlled/clinical trial·DateSep 14, 2025

The Lancet: Parent-focused programs insufficient to prevent obesity in toddlers, finds meta-analysis; authors call for a re-think of childhood obesity prevention approaches

A meta-analysis of parent-focused programs found no significant impact on childhood obesity prevention in toddlers. The study, involving 28,825 participants from 31 trials across 10 countries, suggests that broader societal changes are needed to address childhood obesity.

SourceThe Lancet·JournalThe Lancet Diabetes & Endocrinology·TypeMeta-analysis·DateSep 10, 2025

The Lancet Gastroenterology & Hepatology: Routine AI assistance may lead to loss of skills in health professionals who perform colonoscopies, study suggests

A study published in The Lancet Gastroenterology & Hepatology found that routine AI assistance during colonoscopies can lead to a decrease in the ability of endoscopists to detect precancerous growths without AI aid. This reduction in skills may impact patient-related outcomes and highlight the need for further research on the long-ter...

SourceThe Lancet·JournalThe Lancet Gastroenterology & Hepatology·TypeObservational study·DateAug 12, 2025

The Lancet Rheumatology: Course of psychotherapy for low back pain remains effective for at least three years, finds trial

A randomized controlled trial found that cognitive functional therapy (CFT) can effectively reduce disability due to chronic low back pain for more than a year. The current trial is the first to show that these effects are sustained up to three years. CFT was shown to improve physical activity participation in patients with low back pain.

SourceThe Lancet·JournalThe Lancet Rheumatology·TypeRandomized controlled/clinical trial·DateAug 5, 2025

​​​​​​​The Lancet: Plastic pollution is an underrecognised threat to health, experts warn as they launch a project to track plastics’ health impacts and monitor progress

A new project aims to track the health impacts of plastics and monitor progress in reducing their effects on human health. The Lancet Countdown on Health and Plastics will identify and document indicators that highlight the risks associated with plastic production, use, and disposal.

SourceThe Lancet·JournalThe Lancet·TypeLiterature review·DateAug 3, 2025

The Lancet: Three in five liver cancer cases due to preventable risk factors; obesity-linked cases on the rise, new analysis suggest

Three in five liver cancer cases can be prevented by reducing viral hepatitis, alcohol consumption, and metabolic dysfunction-associated steatotic liver disease. The Lancet Commission estimates that if countries can reduce liver cancer incidence by 2-5% annually by 2050, it could prevent 9-17 million new cases and save 8-15 million lives.

SourceThe Lancet·JournalThe Lancet·TypeData/statistical analysis·DateJul 28, 2025

The Lancet Public Health:  Aiming for 7,000 daily steps can reduce risk of chronic diseases, cognitive decline, and death, finds new study

A comprehensive study analyzing over 160,000 adults found that walking 7,000 steps per day is associated with reduced risks of all-cause mortality, cardiovascular disease, cancer, type 2 diabetes, dementia, depression, and falls. Even modest step counts, such as 4,000 steps per day, offer health benefits compared to low activity levels.

SourceThe Lancet·JournalThe Lancet Public Health·TypeSystematic review·DateJul 23, 2025

The Lancet: Life-saving childhood vaccination coverage has stalled in recent decades, leaving millions of children at risk for deadly diseases

Despite decades of progress, global immunization targets are unlikely to be met due to stagnant childhood vaccination rates and inequality. The COVID-19 pandemic has further exacerbated the issue, with widespread vaccine misinformation and hesitancy contributing to faltering immunization progress.

SourceThe Lancet·JournalThe Lancet·TypeComputational simulation/modeling·DateJun 24, 2025

The Lancet Child & Adolescent Health: New study highlights importance of caregiver concerns in detecting critical in illness hospitalised children

A new study published in The Lancet Child & Adolescent Health suggests that parental intuition may outperform traditional early warning systems in identifying children at risk of deterioration. Caregiver concern for a worsening condition was strongly associated with critical illness, even after accounting for abnormal vital signs.

SourceThe Lancet·JournalThe Lancet Child & Adolescent Health·TypeObservational study·DateMay 29, 2025

The Lancet: Additional imaging techniques detect early stage cancers missed by mammograms in women with dense breasts, finds trial

A randomized controlled trial found that additional imaging techniques such as fast MRI and contrast mammography can detect early-stage cancers in women with dense breasts that were missed by mammograms. The study showed a cancer detection rate of 1.7% for fast MRI and 1.9% for contrast mammography, compared to 0.4% for ultrasound.

SourceThe Lancet·JournalThe Lancet·TypeRandomized controlled/clinical trial·DateMay 21, 2025

The Lancet: Globally the health of adolescents is at a tipping point; action needed to tackle rising threats to young people’s health and wellbeing

The Lancet Commission warns that over 1 billion adolescents worldwide face preventable health problems, with inadequate progress in addressing issues like anaemia, mental health, and obesity. The commission emphasizes the need for increased investment in adolescent health and wellbeing initiatives to safeguard the future.

SourceThe Lancet·JournalThe Lancet·TypeLiterature review·DateMay 20, 2025

The Lancet Child & Adolescent Health: Monoclonal antibody nirsevimab provides strong real-world protection against severe RSV in infants, suggests meta-analysis

Monoclonal antibody nirsevimab provides strong real-world protection against severe respiratory syncytial virus (RSV) infections in infants. The analysis found that nirsevimab reduces hospitalization rates by 83% and intensive care admissions by 81% in children aged 12 months and younger.

SourceThe Lancet·JournalThe Lancet Child & Adolescent Health·TypeMeta-analysis·DateMay 1, 2025

The Lancet: Nearly 500,000 children could die from AIDS-related causes by 2030 without stable PEPFAR programmes, expert policy analysis estimates

Expert policy analysis estimates nearly 500,000 children could die from AIDS-related causes by 2030 if PEPFAR programmes are not stable. The authors call for urgent action to ensure the continuation of life-saving interventions and support for children and families affected by HIV/AIDS in sub-Saharan Africa.

SourceThe Lancet·JournalThe Lancet·TypeComputational simulation/modeling·DateApr 8, 2025

THE LANCET HIV: Proposed cuts to foreign aid could result in millions of HIV deaths and soaring rates of global HIV infections, new modelling study estimates

A new modelling study warns that proposed cuts to international funding for HIV prevention and treatment programmes could result in significant increases in new HIV infections and deaths. The research estimates 4.4-10.8 million additional new infections and 770,000-2.9 million HIV-related deaths by 2030 if funding cuts are not mitigated.

SourceThe Lancet·JournalThe Lancet HIV·TypeComputational simulation/modeling·DateMar 26, 2025

THE LANCET: More than half of adults and a third of children and adolescents predicted to have overweight or obesity by 2050

A major new analysis predicts that over half the world's adult population (3.8 billion) and a third of all children and adolescents (746 million) will be living with overweight or obesity by 2050. The study forecasts a substantial rise in obesity among young people globally, with an additional 186 million cases predicted by 2050.

SourceThe Lancet·JournalThe Lancet·TypeComputational simulation/modeling·DateMar 3, 2025

THE LANCET DIABETES & ENDOCRINOLOGY: Global Commission proposes major overhaul of obesity diagnosis, going beyond BMI to define when obesity is a disease.

The global Commission recommends diagnosing obesity based on excess body fat measures and objective signs of illness, shifting from BMI-based definition. This approach aims to provide personalized care for individuals with clinical and pre-clinical obesity, facilitating fair allocation of healthcare resources.

SourceThe Lancet·JournalThe Lancet Diabetes & Endocrinology·TypeLiterature review·DateJan 14, 2025