Articles tagged with Metaanalysis
A systematic review of 87 studies found that excessive screen time is associated with increased symptoms of anxiety, depression, and attention deficit hyperactivity disorder in children aged 12 or younger. The study suggests that reducing screen time may help alleviate these behavioral issues.
A meta-analysis of over 3,000 studies found that women with one ovary have a 30% lower chance of becoming pregnant and giving birth after IVF. The study suggests that surgical removal of an ovary has an adverse effect on fertility.
A systematic review and meta-analysis of 9,100 cystic fibrosis patients found a positive association between higher body mass index and improved clinical outcomes. The study suggests that maintaining a healthy weight may be beneficial for these patients.
A meta-analysis of 15 studies found that taking more daily steps helps lower the risk of premature death, with benefits seen in adults younger and older than 60. The study suggests that walking at least 6,000-8,000 steps per day for older adults and 8,000-10,000 steps per day for younger adults may be optimal for longevity.
A systematic review and meta-analysis found that the risk of immediate allergic reactions to a second dose of SARS-CoV-2 mRNA vaccines is low among patients who experienced an immediate allergic reaction to their first dose. The study included 1,366 patients and showed no significant increase in severe immediate reactions or anaphylaxis.
Studies of in-prison work programs and vocational training lean positive, but several issues require further research to determine their true effects on re-entry. Inconsistent program characteristics and definitions, as well as multiple participants' involvement, complicate the assessment of outcomes.
A meta-analysis found that bridging therapy, combining intravenous thrombolysis and mechanical thrombectomy, is associated with better chances of survival, functional independence, and robust blood flow returning to the brain after stroke. Researchers suggest this approach may be more effective than physical clot removal alone for peop...
A new study found that statin intolerance is over-estimated, affecting only 6-10% of patients worldwide. Researchers identified risk factors for statin intolerance, including age, sex, ethnicity, and medical conditions.
A combined analysis of 149 studies reveals that treatment rates for major depressive disorder remain low worldwide, particularly in low and lower-middle income countries. Treatment rates are estimated to be 33% in high-income countries and just 8% in low and lower-middle income countries.
Researchers analyzed fMRI studies on healthy individuals and stroke survivors to understand the neural mechanisms underlying prism adaptation therapy. The study found differences in brain activity patterns between healthy individuals and those with spatial neglect, suggesting a shift in spatial processing to the left hemisphere.
A comprehensive review found that prediabetes is associated with an increased risk of comorbidities such as cardiovascular disease, stroke, and chronic kidney disease. The study suggests that prediabetes poses a significant threat to public health due to its rising prevalence worldwide.
A team of scientists from Pusan National University conducted an updated meta-analysis to clarify the relationship between alcohol consumption and unprovoked seizures and epilepsy. They found that overall, alcohol drinkers were at a significantly higher risk of developing epilepsy compared to non-drinkers.
A recent study found that combining cannabis and alcohol significantly worsens driving performance compared to using either substance alone. This is because the effects of cannabis on driving are additive to those of alcohol, leading to impaired lane control and increased crash risks.
A meta-analysis of 87 surveys from 35 African countries found that nearly one in ten sexually active men have paid for sex and are 50% more likely to be living with HIV. Men who pay for sex should be recognized as a priority population for HIV prevention efforts.
A new meta-analysis of available literature on ALS disease has identified a group of seven environmental chemicals as correlates with increased risk of developing ALS. Exposure to these chemicals, including BMAA and heavy metals, may be contributing to the disease burden in certain regions.
A quantitative meta-analysis found that teaching with English songs enhances L2 vocabulary learning in second and foreign language classrooms. Songs from the pop music genre were more effective than textbook songs, while duration of instruction was crucial.
A meta-analysis of 4280 samples found cell phone use associated with reduced sperm motility, viability, and concentration. The study suggests male users should limit daily cell phone use to protect their fertility.
A systematic review of 43,000 participants found cannabis use leads to acute cognitive impairments that persist beyond intoxication. Cannabis intoxication impairs areas including concentration and memory, with potential consequences for daily life, education, and work performance.
A meta-analysis published in The Lancet Oncology reveals that men with intermediate- and high-risk prostate cancer experience improved overall survival with the addition of hormone therapy to radiotherapy. The study found prolonged adjuvant hormone therapy benefits men, while neoadjuvant hormone therapy did not.
A team from UNIGE analyzed over 200 scientific articles on 'nudge' strategies, classifying them into three groups: information, structure, and assistance. They found that techniques in the second group ('structure') are the most effective, particularly in influencing food choices.
Aspirin use in primary prevention of cardiovascular disease should be individualized based on benefit-to-risk assessment, not age. The authors' updated meta-analysis shows a 13% reduction in cardiovascular disease with similar benefits at older ages.
Researchers from Hiroshima University analyzed 839 collections of genetic material to identify common features of oxidative stress. They found two genes, CRIP1 and CRIP3, downregulated during oxidative stress, suggesting a relationship with zinc homeostasis. The study also identified shared biological processes between the two types of...
Researchers found that adapted D-dimer thresholds are safe and efficient for ruling out acute pulmonary embolism, even in high-risk patient subgroups. Strategies with adapted thresholds have up to 3-fold increased efficiency, but also higher predicted failure rates.
A meta-analysis of trials on digital interventions for depression found that computer- and smartphone-based treatments are effective but require human support to achieve outcomes similar to face-to-face therapy. The study also highlights the potential role of AI and wearable devices in preventing mental illness.
A new meta-analysis published in the European Journal of Preventive Cardiology suggests that Sodium-glucose co-transporter-2 (SGLT2) inhibitors can improve outcomes for heart failure patients with preserved ejection fraction. The medication has been shown to reduce the risk of death from heart-related causes and hospitalization by 22%.
A systematic review and meta-analysis of 18 clinical trials found that prevention programs may be effective in reducing teen dating physical violence. However, the evidence for reducing sexual violence among adolescents is still inconclusive.
A review of 68 studies examining COVID-19 outcomes reveals disparities among patients from diverse racial, ethnic, and socioeconomic backgrounds. The analysis found significant variations in health outcomes, hospitalization rates, and mortality across different demographic groups.
Research from the University of Vienna found that athletes with a pre-performance routine outperform those without, regardless of sport task complexity or athlete age/gender. A meta-analysis of 800 athletes across 15 sports revealed significant performance improvements after learning and applying a PPR.
A meta-analysis of 43 studies on acculturation and alcohol use among immigrant youth found a statistically significant relationship among the Latinx population. The researchers discovered that length of residence in the US had the strongest correlation to alcohol use, followed by language proficiency and generational status.
A major global study found that the risk of breast cancer spreading to other parts of the body ranges from 6% to 22%. Younger women and those diagnosed with larger tumours face a higher risk. The study also sheds light on how many people develop advanced breast cancer, a gap in knowledge until now.
A new review suggests zinc can reduce the duration of acute viral respiratory tract infections like the common cold and flu. Zinc use has also been linked to reducing symptom severity, particularly during peak illness days.
A review and meta-analysis of 17 studies found a significant increase in cannabis vaping among adolescents in the US and Canada. The study reported nearly 200,000 participants, with a doubling of reported vaping prevalence over the eight-year period.
A new study found that people with autism spectrum disorder are at a substantially increased risk of self-injury and suicide, with odds over three times higher than in non-autistic individuals. The study identified 31 studies showing statistically significant positive associations between ASD and self-harm.
A meta-analysis of randomized controlled trials found lactoferrin to have promising efficacy in reducing the risk of respiratory tract infections, including COVID-19. Lactoferrin may also play a beneficial role in managing symptoms and recovery for patients suffering from RTIs.
Researchers have discovered three new genetic variants linked to fibromuscular dysplasia, which affects women in their prime and is often associated with high blood pressure and cardiovascular complications. The study provides new insights into the disease's genetic basis and potential therapeutic targets.
The COVID-19 pandemic has led to reduced influenza reporting, but vaccination and strengthened surveillance are critical for a possible resurgence. Research highlights the importance of flu vaccination and early testing for non-influenza respiratory viruses.
A meta-analysis by the University of Basel found that no-till farming alone does not achieve desired results in sustainable agriculture. Retaining crop residues on fields after harvest prevails over no-till farming in promoting carbon storage, soil protection and increased yields.
Research by Karolinska Institutet suggests that longer breastfeeding and later introduction to gluten may reduce the risk of developing type 1 diabetes. The study analyzed 5,935 articles and found a significant protective effect against the disease.
A systematic review found that brief alcohol-targeted interventions delivered in doctors' offices reduce drinking by small but useful amounts. The study analyzed data from 116 trials involving 64,439 participants and found a reduction of approximately one drinking day per month.
A meta-analysis of tDCS studies found that applying tDCS during tasks improved reaction times, particularly in learning and memory tasks and executive function/complex attention tasks. The improvement was more pronounced in older individuals, suggesting that tDCS may increase with age.
Patients with certain gene mutations are at high risk of fatal chemotherapy toxicity, with a 25-times increased risk detected in those with uncommon DPYD variants. The study suggests that adding pre-treatment screening may help prevent avoidable deaths without interrupting standard care.
Increasing physical activity and improving fitness are superior to weight loss in reducing mortality risk and treating obesity-related health conditions. Employing a weight-neutral approach also reduces the risks associated with yo-yo dieting.
The USC Institute is launching a $3 million global consortium study to analyze brain imaging, genetics, and clinical data from 20 countries. The study aims to understand how Parkinson's disease progresses in the brain and explore genetic factors contributing to risk.
A new study reveals corals have a high ability to pass on adaptive traits, helping them cope with climate change stress. However, reducing global warming is crucial for making the most of this adaptation capacity.
A comprehensive review found that site-specific nutrient management (SSNM) increases yield by 12% and profitability by 15%, while saving 18 kg N/ha and reducing environmental risk. SSNM can detect and correct long-standing nutrient input inadequacies, improving outcomes.
Researchers from Florida Atlantic University's Schmidt College of Medicine review recent randomized trials, concluding that hydroxychloroquine poses significant harm in treating COVID-19. The study suggests a halt on prescribing the medication, recommending vaccination and masking instead as effective public health strategies.
A new study found that depression and anxiety symptoms have doubled in children and adolescents globally during the pandemic. The study recommends prioritizing recovery planning now to mitigate sustained mental health effects.
A systematic review of epidemiological studies found that muscle strengthening exercises associated with aerobic activities can significantly reduce cancer mortality. The analysis suggested that strength training twice a week can protect against cancer, with the benefit being even greater when combined with aerobic activities.
A meta-analysis found that people with metabolic syndrome are 46% more likely to have a second stroke than those without, with low HDL cholesterol being an independent risk factor. Additionally, individuals with metabolic syndrome were 27% more likely to die during the study.
A systematic review and meta-analysis found individuals with preexisting mood disorders are at a higher risk of COVID-19 hospitalization and death. This suggests that those with preexisting mood disorders should be categorized as an at-risk group on the basis of a preexisting condition.
A meta-analysis published in Trauma & Violence & Abuse found that 81% of sexual assault survivors had significant PTSD symptoms one week after the assault and 54% after three months. The study suggests that most recovery from post-traumatic stress happens within the first three months.
A meta-analysis of 74 studies found young-onset dementia affects approximately 4.3% of people under age 65 worldwide. The study's results provide a more precise estimate of dementia's global occurrence in younger populations.
A new meta-analysis suggests that people who use cannabis are more than twice as likely to initiate opioid use and develop problematic patterns of use compared to those who don't use cannabis. However, the low quality of evidence makes it unclear whether there is a causal relationship between cannabis and subsequent opioid use.
Researchers found that larger male mosquitofish are preferred by females and produce more sperm. They also excel at driving off rivals and using forced mating strategies due to their small size and agility. The study analyzed 36 studies and provided new insights into the relationship between body size and reproductive success in fish.
A recent meta-analysis found that acute aerobic exercise temporarily improves cognitive performance. However, approximately 50% of studies failed to show a link between the two. The analysis revealed that benefits were greater in those with lower pre-test scores and were more generalized across different types of cognitive performance.
Antacids have been found to lower HbA1c levels by 0.36% and fasting blood sugar by 10 mg/dl in individuals with diabetes. However, taking antacids had no effect on the risk of developing diabetes in non-diabetic individuals.
A meta-analysis of 22 studies found that consumers are willing to pay a premium price for ecolabeled coffee, with an average increase of $1.36 per pound. The study also revealed that Organic ecolabeling has the highest value, followed by Fairtrade and COOL.
A large-scale genetic study has identified more genomic regions linked to type 2 diabetes-related traits by including multi-ethnic participants. The research, published in Nature Genetics, found that expanding the scope of genetic studies to different ancestries yields better results and benefits global patient care.
A meta-analysis found that adding revascularization to medical therapy reduces cardiovascular death by 21% in patients with stable ischemic heart disease. The benefit increases over time, with a greater impact on survival for those with extensive disease.
A new study challenges claims of declining global sperm count, citing a 'biovariability framework' that suggests natural variation is the norm. The research aims to contribute to discussions on reproductive health and challenge racist assumptions in sperm count studies.