Hacker News
- Antioxidants found to spur cancer growth and metastasis in mice https://news.ki.se/antioxidants-stimulate-blood-flow-in-tumours 84 comments
- Baricitinib treatment linked to reduced mortality in Covid-19 patients https://news.ki.se/baricitinib-treatment-linked-to-reduced-mortality-in-covid-19-patients 4 comments
- Women with obesity do not need to gain weight during pregnancy. The guidelines for weight gain during pregnancy in obese women have long been questioned. New research supports the idea of lowering or removing the current recommendation of a weight gain of at least 5 kg. https://news.ki.se/women-with-obesity-do-not-need-to-gain-weight-during-pregnancy 4 comments science
- International research on 264,574 mobile users found no association between long-term (more than 15Y) cell phone use and the risk of brain tumors https://news.ki.se/mobile-phone-users-who-talk-for-a-long-time-do-not-have-an-increased-risk-of-brain-tumours 15 comments science
- Regular erections could be important for maintaining erectile function, according to a new study on mice: "an increased frequency of erections leads to more fibroblasts cells that enable erection and vice versa" https://news.ki.se/fibroblasts-in-the-penis-are-more-important-for-erectile-function-than-previously-thought 337 comments science
- Bacterial meningitis injures one in three children for life. Results show that those diagnosed with bacterial meningitis consistently have a higher prevalence of neurological disabilities such as cognitive impairment, seizures, visual or hearing impairment, motor impairment, behavioral disorders https://news.ki.se/bacterial-meningitis-damages-one-in-three-children-for-life 31 comments science
- Finding that statins could slow dementia stimulates further research: A new study shows that people with Alzheimer's dementia deteriorated more slowly in their cognitive functions if they were also treated with a lipid-lowering statin, compared to those who were not treated. https://news.ki.se/finding-that-statins-could-slow-dementia-stimulates-further-research 19 comments science
- Drones enabled the use of defibrillators before ambulance arrival. In more than half of the cases in the study, the drones were ahead of the ambulance by an average of 3 minutes. In cases where the patient was in cardiac arrest, the drone-delivered defibrillator was used in a majority of cases. https://news.ki.se/drones-enabled-the-use-of-defibrillators-before-ambulance-arrival 36 comments science
- Anti-rheumatic drugs used for rheumatoid arthritis might prevent the development of autoimmune thyroid disease, according to a new observational study https://news.ki.se/anti-rheumatic-drugs-could-prevent-thyroid-disease 7 comments science
- Researchers have evaluated the possibility of alerting drones equipped with automated external defibrillators (AED) to patients with suspected cardiac arrest. In more than half of the cases, the drones were ahead of the ambulance by an average of three minutes https://news.ki.se/drones-enabled-the-use-of-defibrillators-before-ambulance-arrival 6 comments technology
- People who have a higher biological age than their actual age, calculated using 18 biomarkers, have a significantly (+40%) increased risk of stroke and dementia, especially vascular dementia https://news.ki.se/high-biological-age-may-increase-the-risk-of-dementia-and-stroke 99 comments science
- Study on 45213 Sweden women, who receive a false positive mammography result, found that women aged 60–75, with low breast density and a false positive mammography result, are more likely to develop breast cancer over the subsequent 20 years https://news.ki.se/higher-risk-of-breast-cancer-in-women-with-false-positive-mammography-result 22 comments science
- Study in mice found that an early phase in the process of developing Alzheimer’s disease is a metabolic increase in a part of the brain called the hippocampus. The discovery opens up for new potential methods of early intervention https://news.ki.se/high-metabolism-is-an-early-sign-of-alzheimers-disease 5 comments science
- Children’s lung capacity improved in cleaner air https://news.ki.se/childrens-lung-capacity-improved-in-cleaner-air 13 comments health
- Covid-19 linked to excessive destruction of connections between nerve cells in new brain model. The findings could help to identify new treatments against persistent cognitive symptoms after a Covid-19 infection. https://news.ki.se/covid-19-linked-to-excessive-destruction-of-connections-between-nerve-cells-in-new-brain-model 9 comments science
- Cool room temperature inhibited cancer growth in mice https://news.ki.se/cool-room-temperature-inhibited-cancer-growth-in-mice 4 comments health
- Cool room temperature inhibited cancer growth in mice: mice acclimatized to temperatures of 4°C had significantly slower tumor growth and lived nearly twice as long compared with mice in rooms of 30°C because they were burning more brown fat, but high sugar drink obliterated the effect of cold https://news.ki.se/cool-room-temperature-inhibited-cancer-growth-in-mice 145 comments science
- Type 1 diabetes linked to higher risk of mental health problems in patients and family, study finds https://news.ki.se/type-1-diabetes-linked-to-higher-risk-of-mental-health-problems-in-patients-and-family?_ga=2.57537833.245086995.1659374915-2054363636.1659374915 4 comments science
- Research has found two genetic variants inherited by some people from our Neanderthal relatives that can affect how well drugs are metabolized. It is hypothesized these ancient genes may account for differences in drug activity from person to person. https://news.ki.se/adjustment-of-dosage-may-be-needed-if-you-carry-a-common-neandertal-gene-variant 4 comments science
- Researchers describe how they have improved the ability of a protein to repair oxidative DNA damage and created a new protein function. Could lead to improved drugs for cancer, Alzheimer’s disease and lung diseases, but the researchers believe it has even greater potential. https://news.ki.se/improved-protein-function-opens-way-for-new-drug-development-concept 9 comments science
- New potential diabetes treatment regenerates insulin-producing cells https://news.ki.se/study-describes-new-way-of-generating-insulin-producing-cells 44 comments futurology
- According to Karolinska Institute, female students (at all levels) report the highest figures with regard to gender-based violence and sexual harassment. Between 5 and 6 per cent of these groups have experienced some form of “undesired sexual attention”. https://news.ki.se/unwanted-sexual-attention-most-common-amongst-young-people-women-and-students 29 comments science
- Scientists have found children who spent an above-average time playing video games increased their intelligence more than the average, while TV watching or social media had neither a positive nor a negative effect https://news.ki.se/video-games-can-help-boost-childrens-intelligence 2341 comments science
- New study shows that people around the world share odour preferences regardless of cultural background. The most pleasant odours in the study were vanilla and peach. https://news.ki.se/people-around-the-world-like-the-same-kinds-of-smell 192 comments science
- Cancer patients in palliative care experienced reduced fatigue after vitamin D treatment, with effects most prominent in men https://news.ki.se/cancer-patients-in-palliative-care-experienced-reduced-fatigue-after-vitamin-d-treatment-with 22 comments futurology
- Scientists found that individuals with a specific gene variant have a 20% lower risk of developing critical COVID-19 symptoms. This variant was found in 80% of Africans who participated in the study. http://news.ki.se/protective-gene-variant-against-covid-19-identified 37 comments science
- Scientists identified a specific gene variant that protects against severe COVID-19 infection. Individuals with European ancestry carrying a particular DNA segment -- inherited from Neanderthals -- have a 20 % lower risk of developing a critical COVID-19 infection. https://news.ki.se/protective-gene-variant-against-covid-19-identified 1707 comments science
- Modern humans developed a more effective protection against oxidative stress: Glutathione reductase is a critical enzyme for preventing oxidative stress. Almost all present-day humans carry an amino acid substitution (S232G) in this enzyme relative to apes and Neanderthals https://news.ki.se/modern-humans-developed-a-more-effective-protection-against-oxidative-stress 6 comments science
- Patients with bipolar disorder who experience manic episodes are more likely to show abnormal brain changes over time, according to one of the largest longitudinal brain imaging studies in its field to date. The study involved 1,232 individuals including 307 bipolar disorder patients https://news.ki.se/manic-episodes-in-bipolar-disorder-linked-to-abnormal-brain-changes 11 comments science
- Adult ADHD is linked to numerous physical conditions. Individuals with ADHD had a statistically significant increased risk of all studied physical conditions except arthritis. The strongest associations were found for nervous system, respiratory, musculoskeletal, and metabolic diseases https://news.ki.se/adult-adhd-is-linked-to-numerous-physical-conditions 185 comments science
- New research suggests a link between psychosis and a genetic change that affects the brain's immune system. The study published in Molecular Psychiatry may impact the development of modern medicines for bipolar disorder or schizophrenia https://news.ki.se/new-findings-linking-brain-immune-system-to-psychosis 5 comments science
- Alzheimer’s treatment linked to slower cognitive decline. A dementia treatment plan including cholinesterase inhibitors leads to a slower rate of cognitive decline over five years. Moreover, in comparison to the control group, cholinesterase inhibitors also lower mortality rates by 27 percent. https://news.ki.se/common-alzheimers-treatment-linked-to-slower-cognitive-decline 10 comments science
- Researchers at Karolinska Institutet in Sweden have identified a small neutralizing antibody, a so-called nanobody, that has the capacity to block SARS-CoV-2 from entering human cells. They believe this nanobody has the potential to be developed as an antiviral treatment against Covid-19. https://news.ki.se/researchers-identify-nanobody-that-may-prevent-covid-19-infection?_ga=2.43737189.158112622.1599226000-1932559547.1597712085 8 comments science
- No increased risk of autism found due to maternal flue vaccination during pregnancy. Of the 39,726 vaccine-exposed children, 394 had a diagnosis of autism spectrum disorder during the six-year follow-up compared with 330 among 29,293 unexposed children. https://news.ki.se/swine-flu-vaccination-in-pregnant-women-did-not-increase-risk-of-autism-in-offspring 128 comments science
- Immunity to COVID-19 is probably higher than tests have shown https://news.ki.se/immunity-to-covid-19-is-probably-higher-than-tests-have-shown 3 comments worldnews
- Increased fertility for women with Neanderthal gene. One in three women in Europe inherited the receptor for progesterone from Neanderthals -- a gene variant associated with increased fertility, fewer bleedings during early pregnancy and fewer miscarriages, according to new research. https://news.ki.se/women-with-neandertal-gene-give-birth-to-more-children 17 comments science
- People continuously exposed to air pollution are at increased risk of dementia, especially if they also suffer from cardiovascular diseases. Heart failure and ischemic heart disease both enhanced the dementia risk and stroke explained almost 50 percent of air pollution-related dementia cases https://news.ki.se/air-pollution-linked-to-dementia-and-cardiovascular-disease?_ga=2.166086330.522005320.1585589347-454208433.1585589347 3 comments science
- People continuously exposed to air pollution are at increased risk of dementia, especially if they also suffer from cardiovascular diseases. Therefore, patients with cardiovascular diseases who live in polluted environments may require additional support from care providers to prevent dementia. https://news.ki.se/air-pollution-linked-to-dementia-and-cardiovascular-disease 18 comments science
- Length of pregnancy alters the child’s DNA: Researchers mapped the relationship between length of pregnancy and chemical DNA changes in more than 6,000 newborn babies. For each week's longer pregnancy, DNA methylation changes in thousands of genes were detected in the umbilical cord blood https://news.ki.se/length-of-pregnancy-alters-the-childs-dna 18 comments science
- New pain organ discovered in the skin https://news.ki.se/new-pain-organ-discovered-in-the-skin 6 comments science