Despite improved living conditions, sex differences in personality, verbal skills, and negative emotions are larger in countries with higher standards of living. Women tend to benefit more from these improvements, exhibiting greater altruism and cooperative ability, while men show better cognitive skills but at a smaller advantage.
A study published in PAIN found that exposure-based CBT and traditional CBT are equally effective in reducing symptoms of fibromyalgia. The study involved 274 participants with fibromyalgia and showed significant reductions in symptoms and functional impairment after 10-week treatment.
A new study found that people with Alzheimer's dementia who were treated with lipid-lowering statins showed slower cognitive decline compared to those not treated. The researchers emphasize caution due to the observational nature of the study and initial concerns about statins' effects on patients with dementia.
A new method developed at Karolinska Institutet can identify unique immune cell receptors and their location in human tissue. This breakthrough could lead to the development of novel therapies for diseases such as cancer and autoimmune disorders, by pinpointing the specific immune cells responsible.
A new AI-based risk model evaluates mammographic images to identify women at high risk of developing breast cancer. The study confirms that the method works well in different European populations, with 6.2% of women classified as high-risk having almost seven times the risk of developing breast cancer.
A new study found that a type of white blood cell called tumour-associated macrophages can promote the formation of lymphatic vessels, facilitating cancer cell transport to other organs. However, these cells also reduce breast cancer spread to the lungs while increasing it to the lymph nodes.
A new study finds that consuming more oily fish like salmon and mackerel can lower the risk of cardiovascular diseases in people with a family history. The research suggests that these fatty acids EPA/DHA play a crucial role in mitigating this risk, especially for those with close relatives who have suffered from cardiovascular disease.
Researchers found that early skin-to-skin contact with parents significantly improves premature babies' social skills at four months old. The study also showed that fathers play a more important role than previously thought in developing their infants' social skills.
Two large studies found that people with ADHD who take medication for a long time and in higher doses are at a higher risk of developing some cardiovascular diseases. The highest rate of discontinuation occurred among 18 to 19-year-olds, highlighting the need for better transition to adult psychiatry services.
Researchers found that immunomodulatory drugs used to treat rheumatoid arthritis can reduce the risk of autoimmune thyroid diseases. Patients treated with these drugs had a 46% lower risk of developing an autoimmune thyroid disease compared to those without rheumatoid arthritis.
A study by Karolinska Institutet found that drones equipped with automated external defibrillators (AED) can arrive at the scene before an ambulance in 67% of cases. This lead time enables people on site to use the AED, increasing the chances of survival for patients with cardiac arrest.
A new study found that individuals with gambling addiction are at an 89% higher risk of being on long-term sick leave for six years. Those with female gender, less education, and living in less densely populated areas were more likely to experience this risk.
Researchers from Karolinska Institutet found a weaker association between adolescent physical fitness and later cardiovascular disease risk. High BMI remained a strong individual risk factor for cardiovascular disease in late adolescence.
A study published in The Lancet Neurology found that monitoring brain injury biomarkers and glucose variation over the first week of hospitalization can provide a more accurate picture of the pathological process. This allows for division into different groups with distinct disease trajectories and prognoses, enabling personalized trea...
A new AI method combines satellite imaging and ecological analysis techniques to interpret large amounts of data from tumor tissue, providing insights into how cancer works. This approach aims to tailor cancer treatments to individual needs and avoid unnecessary side effects.
A study published in Cell Host and Microbe found that gender-neutral HPV vaccination is effective in preventing cervical cancer by inducing a stronger herd immunity. The vaccine protects against high-risk HPV types 16 and 18, which cause 70% of all HPV-related cervical cancers, and also provides cross-protection against low-risk types.
Research from Karolinska Institutet found that non-European individuals in Sweden have a higher prevalence of eating disorder symptoms, but limited access to specialist care. The study reveals a significant gap between those with disordered eating and those receiving specialized treatment.
Researchers found a significant long-term increased risk of breast cancer among women with false-positive mammography results. The risk is highest in women aged 60-75 and those with low breast density, facing a 60% increased risk over the subsequent 20 years.
Researchers at Karolinska Institutet have discovered that a metabolic increase in the hippocampus is an early indicator of Alzheimer's disease. The study found that changes in mitochondrial metabolism precede synaptic disorganization and impaired autophagy, highlighting potential new methods for early intervention.
A study published in The Lancet Regional Health – Europe found that individuals with severe COVID-19 infections experienced the highest prevalence of chronic physical symptoms and had the most persistent symptoms for up to two years after diagnosis. In contrast, those who were never bedridden during their infection presented with a sim...
Researchers developed a new epigenetic clock that accurately measures biological aging in healthy and unhealthy tissue, outperforming current clocks. The Glasgow-Karolinska Clock showed promise in assessing the impact of chronic kidney disease on aging, even after dialysis treatment.
Two parallel projects publish detailed cell atlases of the adult human brain and brain development, revealing over 3,000 cell types, including new insights into brain diseases and potential therapeutic targets. The freely available brain atlases will enable researchers to compare healthy brains with diseased ones.
A study published in Alzheimer's Research & Therapy suggests a possible association between chronic stress and an increased risk of developing mild cognitive impairment or Alzheimer's disease. The research, conducted on 44,447 individuals between 18-65 years old, found that those with chronic stress or depression had a higher risk of d...
Researchers from Karolinska Institutet challenge the hygiene hypothesis by showing that mice with high infectious exposures have a similar ability to develop allergic immune responses as laboratory mice. Despite this, they developed strong signs of pathological inflammation and allergic responses when exposed to allergens.
Researchers found that early treatment of child obesity is effective in improving weight status and metabolic health. Children whose parents received parental support had the best results, with more showing a clinically relevant improvement.
The study reveals that NO forms a new compound, NO-ferroheme, which significantly expands blood vessels and directly activates guanylyl cyclase. This finding challenges the long-held hypothesis on nitric oxide signalling in blood vessels.
A large-scale study from three Nordic countries shows that the majority of patients with reflux disease do not have a higher risk of cancer. Only those with changes in the oesophageal mucosa are at increased risk.
A new study suggests that cerebral amyloid angiopathy (CAA), a common cause of spontaneous brain hemorrhages, can be transmitted via blood transfusion. Patients who received blood from donors with CAA were more than twice as likely to suffer a brain hemorrhage themselves.
A nationwide study from Karolinska Institutet in Sweden found that close relatives and partners of people with metabolic-associated fatty liver disease (MASLD) are at a higher risk of developing liver cancer and severe liver disease. This suggests that family members could benefit from the same lifestyle advice as patients with MASLD.
Children born to parents with substance use disorders are at increased risk of intellectual disability, regardless of whether the issue is with mothers or fathers. The study found that both genetic and environmental factors may contribute to this risk.
The study presents a pioneering detection tool that combines molecular biology and electronics to identify various pathogenic agents. The technology has demonstrated remarkable sensitivity detecting as few as 10 target molecules and rapid results under one hour.
A new study reveals that red blood cells can protect against myocardial infarction when exposed to oxygen deficiency, and this effect is enhanced by a nitrate-rich diet. The research provides hope for patients at risk of heart disease.
A Swedish study found that precarious employment conditions increase the risk of early death, with workers who shifted to standard employment experiencing a 20% lower risk of mortality. The study used registry data from over 250,000 workers and found that job security is crucial in reducing premature deaths.
Researchers at Karolinska Institutet found that statin treatment was associated with a lower risk of developing and dying from colorectal cancer in patients with ulcerative colitis. After a follow-up period of 5.6 years, the study showed that 70 statin users had been diagnosed with colorectal cancer compared to 90 non-statin users.
Researchers found that antioxidants activate a mechanism forming new blood vessels in tumor cells, which can help them grow and spread. The study suggests that dietary supplements containing antioxidants may accelerate tumour growth and metastasis in cancer patients.
Researchers at Karolinska Institutet have found that weightlessness affects T cells in astronauts' immune systems, making them less effective at fighting infections. The study's results could lead to new treatments for reversing these changes.
Scientists at Karolinska Institutet have identified a group of nerve cells involved in creating negative emotional states and chronic stress. The neurons, which are sensitive to oestrogen levels, were mapped using advanced techniques such as Patch-seq, Neuropixels, and optogenetics.
Research identified three genetic risk factors for Dupuytren's contracture, a condition affecting fingers, that originated from Neanderthal DNA. The study, based on 7,871 affected individuals and 645,880 healthy controls, provides evidence of the intermingling between Neanderthals and modern humans influencing disease prevalence.
Researchers at Karolinska Institutet have developed a new method called single-particle profiling (SPP) to study bioparticles in health and disease. The SPP enables the measurement of thousands of particles between 5 and 200 nanometres in size, with potential applications in vaccine development and creating more effective nanocarriers.
A large-scale registry study found that older autistic adults have a significantly higher risk of injury, especially self-inflicted, and physical conditions such as type 2 diabetes and anaemia. Autistic individuals had a seven-fold risk of self-harm compared to non-autistic people.
Researchers at Karolinska Institutet have identified how memory killer cells are formed and found a correlation between their presence in cancer tissue and improved survival rates in people with melanoma. The study suggests that harnessing the potential of these cells could lead to more effective immunotherapy.
A recent study published in JAMA Psychiatry found that fewer boys aged 15-19 commit suicide in Swedish regions with higher bipolar diagnoses. The study, which analyzed registry data from 2008 to 2021, showed an inverse association between population-adjusted bipolar diagnoses and confirmed suicides among males.
Researchers from Karolinska Institutet in Sweden report that individuals vaccinated against smallpox decades ago retain cross-reactive immunity to mpox. The study found that previous smallpox vaccination provides about 80% protection against mpox.
A new method called 5PSeq has been developed to quickly assess bacterial response to antibiotics, with potential implications for treating antibiotic-resistant infections. The method measures mRNA translation and decay, revealing how bacteria interact with environmental factors and stressors.
A new study published in Science Advances has found that certain antibodies against the Epstein-Barr virus can mistakenly target the brain and spinal cord, causing damage in multiple sclerosis patients. The research reveals a potential link between EBV infection and MS, with implications for personalized therapies.
A study published in Cell Reports Medicine found that pro-inflammatory cell types dominate the intestinal mucosa of children with inflammatory bowel disease, while protective cells are underrepresented. The results provide new insights into the immunology of IBD and may lead to the development of more effective treatments.
Sons of women with PCOS are two times more likely to develop obesity and have high levels of male hormones, leading to insulin resistance and type 2 diabetes. A mouse study confirms these findings, showing fat tissue and metabolism problems in the offspring despite a healthy diet.
Scientists have created a detailed map of human spinal cord cell formation, shedding light on how injuries and diseases arise. The study's findings hold promise for developing new therapies for spinal cord injuries and diseases like ALS.
A recent study published in JAMA Pediatrics reveals that individuals born preterm or large for gestational age have a significantly increased risk of developing atrial fibrillation up to middle-age. In contrast, those born small for gestational age only show an increased risk up to the age of 18.
Researchers from Karolinska Institutet and the Max Planck Institute have identified a new mechanism for DNA folding, revealing how the Smc5/6 complex regulates chromosomal organization. This discovery provides new insights into normal development and disease prevention.