Researchers found that total knee replacement reduces knee pain and improves subjective quality of life indices in rheumatoid arthritis patients. However, improvements were not as great as those experienced by osteoarthritis patients.
Researchers found mathematical evidence that Michelangelo used the Golden Ratio in 'The Creation of Adam'. The ratio, 1.6, enhances structural efficiency and beauty in art.
Women perceive normal-looking genitals in men with distal hypospadias as comparable to those without the condition. The study aims to alleviate shame or impaired genital perceptions about penile appearance.
A new laser ablation resonance ionization mass spectrometry technique has successfully dated an Earth rock analogous to the rocks covering one-third of the Moon's nearside. This breakthrough enables direct dating of lunar terrains, filling a critical gap in understanding the Solar System's history.
Research reveals that wastewater discharge concentrations of cocaine, morphine, and oxycodone remain relatively consistent downstream, indicating ineffective removal by treatment plants. The findings emphasize the importance of improving wastewater treatment to protect potable water sources.
Patients with COPD in remission showed improved lung function and quality of life after practicing Liuzijue qigong (LQG) for 6 months. The exercise program, combining meditation and walking, demonstrated marked benefits in mental health as well.
A new study found that cancer survivors may face limited options for adoption due to agency policies, but a training program for oncology healthcare providers can provide valuable information. Cancer survivors often turn to adoption due to infertility caused by cancer treatments, but the process is long and costly.
A new analysis reveals that society has been discussing climate-related effects like heat waves and droughts since well before the climate changed. This social evidence counters attacks on climate science and presents a useful argument for climate action.
New research reveals mutations in the X chromosome gene TEX11 are linked to 1% of azoospermia cases, a condition where men produce no sperm. The study found that reintroducing the gene restores fertility in mice, highlighting the protein's role in sperm formation and chromosomal arrangements.
The International Society for Sexual Medicine recommends a clinical and biochemical syndrome definition for testosterone deficiency, characterized by low testosterone levels and symptoms. The new guidelines provide evidence-based guidance on testing, lifestyle modifications, and treatment options for men with testosterone deficiency.
Reducing stillbirth risk calls for improved pregnancy monitoring and early detection of high-risk pregnancies. Targeted delivery interventions, such as induced labor and low-dose aspirin, may also help lower stillbirth rates.
Scientists have developed a new technique to genetically engineer cells by inserting large DNA sequences at specific genomic sites. This method may be useful for producing high levels of proteins in mammalian cells.
Researchers found key differences between people receiving hospice care in ALFs versus those cared for at home. People in ALFs were more likely to be older and female, and received help from the hospice team earlier, leading to a higher quality of life before death.
Ticks carrying Lyme disease are increasingly found in new areas of the US, with a study suggesting southern ticks migrated northwards. Understanding these movements is crucial to identifying factors driving population shifts and reducing public health risks.
A study of 1159 males who illicitly used amphetamines found that half reported no impact on sexual functions, while the other half experienced reduced erectile rigidity, enhanced orgasmic intensity, and delayed ejaculation. Amphetamine users were also twice as likely to experience erectile dysfunction compared to matched controls.
Children with long QT syndrome who take ADHD medications are at increased risk of experiencing heart-related problems, including syncope. Researchers call for cautious prescribing and close follow-up to mitigate this risk.
A rollator improves walking distance and time for patients with COPD, while a draisine has detrimental effects. Researchers found that unaided walking resulted in the longest distance walked by COPD patients.
New research reconstructs beetle family tree, showing diversification over nearly 300 million years. The success of beetles attributed to low extinction rates and interactions with plants, fungi, and microorganisms.
Research suggests differences in oil-secreting glands and dermis thickness contribute to wrinkle formation. The study, published in Clinical Anatomy, found shallower wrinkles on the forehead compared to the outer eye area.
The latest Ebola outbreak is the largest, most sustained, and most widespread to date, with several potential treatments undergoing clinical trials. Dr. Ali Mirazimi notes that emerging infectious diseases will continue to challenge global health.
Researchers found that recent years have seen three of the stormiest seasons on record, with the summer of 2012 being the 'stormiest' since at least 1871. A 142-year climate data study confirms a strong relationship between seasonal precipitation totals and cyclone frequency in the region.
CAM research provides a roadmap for increasing agricultural production by developing water-efficient crops and improving existing non-CAM crops. The emerging discipline has tremendous potential for applications, attracting growing interest from academia and industry.
Researchers developed a non-invasive technique using Raman spectroscopy to detect various forms of skin cancer. Malignant melanoma can be detected with an accuracy of 91%, while non-melanoma skin cancers are accurately identified between 73% and 85%.
The American Association for the Study of Liver Diseases (AASLD) has updated its guidance on testing, managing, and treating hepatitis C virus (HCV). The new recommendations focus on direct-acting antiviral drugs, which have shown high efficacy in curing HCV. With these updates, millions of Americans living with chronic HCV may now hav...
A study published in Liver Transplantation identified younger patients and those with more severe liver disease as more likely to have potential living liver donors. In contrast, older, single, divorced, or low-income patients were less likely to have a live donor volunteer for liver donation.
Pre-menopausal smokers with breast cancer are at a higher risk of dying from the disease and any cause, according to a new study. The research found that smoking can impact breast cancer survival rates, especially among women whose cancers express estrogen receptors.
Researchers examined nationwide trends in erectile dysfunction and surgical management from 2001 to 2010. The study found that while erectile dysfunction prevalence increased, penile prosthesis use decreased, but was more common in sicker patients.
A new analysis found a decline in high-grade cervical lesions among U.S. women aged 18-20 after HPV vaccination became available. However, this trend may be influenced by changes in cancer screening recommendations.
Winning fish in Siamese fighting fish battles can generate more muscle energy than losing fish, highlighting the crucial role of biochemical processes. The study reveals how energy metabolism affects aggression in animals, contradicting the assumption that only conspicuous traits like antlers drive success.
Elder abuse is a common issue globally, affecting up to 47% of older adults with dementia in North America. The prevalence varies widely across regions, with higher rates found in Asia and lower rates reported in some African countries.
Use of bisphosphonates declined by 50% from 2008 to 2012 following media reports on rare fractures. The study published in Journal of Bone and Mineral Research reveals a dramatic drop in osteoporosis medication use.
Researchers used CT scans to study the brain anatomy of ichthyosaurs, revealing an enlarged olfactory region suggesting a key role for smell. The findings also show that vision was crucial for these marine predators.
A study of 1403 women found that those exposed to higher levels of air pollution had reduced white matter in their brains. Ambient particulate air pollutants may have a deleterious effect on brain aging, according to researchers.
The study found a significant decline in smoking rates among nursing and physiotherapy students in Spain from 2003 to 2013. Many students remained unaware of the link between smoking and diseases, indicating a deficiency in undergraduate training.
A recent study published in Respirology found that patients with idiopathic pulmonary fibrosis (IPF) have significantly shorter telomere lengths than healthy individuals. The study suggests that mutations in the enzyme responsible for maintaining full-length telomeres may play a key role in the development of IPF.
The study found that children's exposure to second-hand smoke has declined by approximately 80% since 1998. Over two-thirds of all children now have undetectable levels of cotinine in their saliva, a nicotine derivative.
A new study found that patients with knee osteoarthritis who have poor sleep habits display greater central sensitization, an amplification of clinical pain. Catastrophizing thoughts about pain also contribute to increased central sensitization and greater clinical pain in OA patients.
A study of 1169 Medicare beneficiaries found that those with impaired smell identification were at higher mortality risk. Participants with the worst smelling ability had a 45% mortality rate after 4 years, significantly higher than those with the best scores.
A study published in Functional Ecology found that late-rising songbirds are more susceptible to being cuckolded, meaning they raise offspring fathered by other males. This suggests a potential role for sexual selection in shaping circadian traits in wild vertebrates.
A new study reveals that soil erosion during rainy seasons contributes substantially to global carbon emissions. Organic carbon losses from soils account for approximately one-sixth of annual fossil fuel-induced carbon emissions, with the highest rates found in semi-arid soils.
Collegiate women wearing high heels regularly developed an imbalance of 4 functional ankle muscles, strengthening at first but leading to imbalance and increased risk of injury. Regular ankle strengthening exercises and limiting high heel wear are recommended as preventative measures.
Recurrent febrile seizures warrant urgent assessment and consideration of antiepileptic drugs. The new report provides expert opinion-based recommendations until further studies consolidate higher evidence-based data.
Climate change is expected to increase pesticide toxicity in fish, as warmer temperatures become toxic at the upper limit of species' temperature tolerance. The study reveals that pesticides and industrial contaminants become toxic when temperatures reach 50C, making fish more vulnerable to environmental changes.
The FDA has published a paper highlighting its scientific approaches and regulatory processes for approving promising hepatitis C drugs. The agency emphasizes flexibility in considering innovative trial designs without compromising efficacy standards.
A study found that 67% of male Aka foragers in the Congo Basin used cannabis, protecting against parasitic worm infections, which are a major health problem in developing world populations. The researchers also suggest that tobacco use may have similar protective effects.
A study of paracetamol use in seven European countries reveals a six-times higher risk of liver failure in Ireland and a two-fold higher risk in the UK. The highest rates of overdose-related liver failure were found in these two English-speaking countries, suggesting potential differences in self-poisoning practices.
A new study found that cancer patients' attitudes and beliefs about complementary and alternative medicine are key predictors of its use. Researchers identified specific factors such as expectation of therapeutic benefits, cost concerns, and physician opinions, which varied by sex, race, and education level.
The Anatomical Record publishes 26 articles on mummy anatomy in historical and cultural context, exploring diseases and daily life of ancient individuals. The studies utilize advanced knowledge and tools to 'unwrap' the secrets held within mummies.
A new study in Addiction journal challenges previous reports on aldehyde content of third generation e-cigarettes. It found that only under 'dry puff' conditions can e-cigarettes produce high levels of aldehydes, which vapers avoid due to unpleasant sensory effects.
The harlequin ladybird's arrival in Britain has led to declines in seven native ladybird species due to its predatory behavior. Research on the invasive species has provided new insights into biological invasions and their impact on ecosystems.