In Massachusetts towns with more guns, there are more suicides. Researchers also found that pediatric blood lead levels—as a proxy for lead in a community—were strongly associated with all types of suicide, as well as with firearm licensure. hsph.harvard.edu Submitted by Wagamaga t3_1030mqp on January 4, 2023 at 10:50 AM in science No comments 1
Widespread medical efforts to prescribe more physical activity could significantly reduce the nation’s health care costs. About 53% of adults meet national physical activity guidelines, or practice moderate exercise at least 150 minutes per week journals.humankinetics.com Submitted by Wagamaga t3_100ldet on January 1, 2023 at 3:01 PM in science No comments 1
Epidemiological evidence that Alzheimer's and Parkinson's could be caused by viral infections. Around 81% of viruses were found to be neurotrophic, which indicates that they can attack the central nervous system (CNS) via peripheral nerves or by crossing the blood-brain barrier cell.com Submitted by Wagamaga t3_10k13w5 on January 24, 2023 at 8:46 AM in science 23 comments 249
Can our brains be trained into respectful political dialogue. Research findings showed that youth who received the intervention showed a broad and multidimensional bio-neurobehavioral change and the intervention gains lasted for years academic.oup.com Submitted by Wagamaga t3_10irfmu on January 22, 2023 at 7:09 PM in science 53 comments 283
Agriculture linked to changes in age-independent mortality in North America. The intensification of crop use occurred in two phases, the first of which led to a decline in human age-independent mortality, while the second is associated with a rise in it. psu.edu Submitted by Wagamaga t3_10htzk6 on January 21, 2023 at 3:40 PM in science 6 comments 23
Recyclable mobile phone batteries a step closer with rust-busting invention. Rather than disposing of batteries after two or three years, we could have recyclable batteries that last for up to nine years, by using high-frequency sound waves to remove rust that inhibits battery performance rmit.edu.au Submitted by Wagamaga t3_10ludu4 on January 26, 2023 at 3:27 PM in science 26 comments 386
Research shows among women 65 or older, each additional 31 minutes per day of moderate-to-vigorous physical activity was associated with a 21% lower risk of developing mild cognitive impairment or dementia. Risk was also 33% lower with each additional 1,865 daily steps. today.ucsd.edu Submitted by Wagamaga t3_10m0tfz on January 26, 2023 at 7:55 PM in science 9 comments 476
Family Dynamics and Doctors' Emotions Drive Useless End-of-Life Care. Surveys repeatedly indicate that nearly all people would rather die peacefully at home, yet painful, long-shot treatments remain common, and efforts to reduce usage have failed rutgers.edu Submitted by Wagamaga t3_10f5k4k on January 18, 2023 at 11:53 AM in science 170 comments 2,791
App helps to significantly improve memory recall and could have applications for improving memory. Users of the app were able to recall more than 50% more details about everyday experiences that took place as many as six months earlier than if they had only recorded events and never replayed them. artsci.utoronto.ca Submitted by Wagamaga t3_10f4zbi on January 18, 2023 at 11:21 AM in science 11 comments 64
Nearly two thirds of the sharks and rays that live among the world's corals are threatened with extinction. Coral reefs, which harbor at least a quarter of all marine animals and plants, are gravely menaced by an array of human threats, including overfishing, pollution and climate change nature.com Submitted by Wagamaga t3_10eisi9 on January 17, 2023 at 6:02 PM in science 10 comments 199
Visits to parks, community gardens and other urban green spaces may lower city dwellers’ use of drugs for anxiety, insomnia, depression. Positive effects were stronger among those reporting the lowest annual household income oem.bmj.com Submitted by Wagamaga t3_10e7nlj on January 17, 2023 at 9:04 AM in science 12 comments 300
Depression, poor mental health in young adults linked to higher cardiovascular risks. The research also found people without established cardiovascular disease, those who reported depression had 1.8 times higher odds of suboptimal cardiovascular health than those without depression. heart.org Submitted by Wagamaga t3_10q6n8q on January 31, 2023 at 6:33 PM in science 4 comments 74
Research analyzes spread of COVID-19’s most common early conspiracies.The overwhelming majority, roughly 87 percent, of webpages linked in tweets and retweets centered on the conspiracy theory surrounding Bill Gates, a villain-based conspiracy theory blaming Gates for creating the virus grady.uga.edu Submitted by Wagamaga t3_10l377l on January 25, 2023 at 4:48 PM in science 20 comments 85
Corridors between Western U.S. national parks would greatly increase the persistence time of mammals. Establishing an expanded protected area network based on identified mammal pathways and incorporating adjacent wilderness areas would greatly enlarge available habitat for mammal species attheu.utah.edu Submitted by Wagamaga t3_10b3w0w on January 13, 2023 at 7:59 PM in science 119 comments 8,705
In a study using data from nearly 1,200 older adults, researchers have added to a growing body of evidence that loss of the sense of smell is a predictive marker for an increased risk of frailty as people age. hopkinsmedicine.org Submitted by Wagamaga t3_10av5z8 on January 13, 2023 at 1:57 PM in science 6 comments 130
Fossil fuel producers pay for carbon clear up. Compelling fossil fuel producers to pay for carbon clean-up could end these fuels’ contribution to global warming without pitting climate action against meeting society’s energy needs—at a relatively affordable cost. ox.ac.uk Submitted by Wagamaga t3_109zn4c on January 12, 2023 at 1:27 PM in science 27 comments 154
Significant reductions in global greenhouse gas emissions still possible. Research estimated total global CO2 emissions from the life cycle of gas-fired power is 3.6 billion tons each year. This could be reduced by as much as 71% if a variety of mitigation options were used around the world. mcgill.ca Submitted by Wagamaga t3_109e5dk on January 11, 2023 at 7:54 PM in science 9 comments 104
Solar-powered system converts plastic and greenhouse gases into sustainable fuels. Researchers have developed a system, which can convert two waste streams into two chemical products at the same time – the first time this has been achieved in a solar-powered reactor. cam.ac.uk Submitted by Wagamaga t3_107lfgx on January 9, 2023 at 6:13 PM in science 12 comments 126
Sports and Other Exercise a Natural Antidepressant for Teens. Research found supervised exercise programs are associated with significant reductions in symptoms of depression among children and teenagers jamanetwork.com Submitted by Wagamaga t3_106hccd on January 8, 2023 at 11:46 AM in science 97 comments 1,388
Farmland bird populations bounce back when farms devote 10% of their land to nature-friendly measures. Ten-year study measured changes in the abundance of farmland birds on land managed under bird-focused schemes, as well as land no bird-friendly farming initiatives. britishecologicalsociety.org Submitted by Wagamaga t3_105yzdz on January 7, 2023 at 8:37 PM in science 32 comments 2,046
New study challenges previous ideas regarding Alzheimer’s disease. Research found the increase in soluble Aβ may be a general aging-related change in the brain not specific to Alzheimer’s, while higher levels of fibrillary amyloid appear to be a better indicator of poorer brain health. gero.usc.edu Submitted by Wagamaga t3_105wpqk on January 7, 2023 at 7:02 PM in science 13 comments 96
3-Week Intensive Program Effective for Vets With PTSD. More than 60% of patients saw a substantial reduction in their PTSD symptoms soon after therapy ended, and the improvements were largely maintained for six months jamanetwork.com Submitted by Wagamaga t3_104tbi1 on January 6, 2023 at 12:45 PM in science 11 comments 248
Billions of Celestial Objects Revealed in Gargantuan Survey of the Milky Way. The DECaPS2 survey, which took two years to complete and produced more than 10 terabytes of data from 21,400 individual exposures, identified approximately 3.32 billion objects noirlab.edu Submitted by Wagamaga t3_10kuzeu on January 25, 2023 at 9:43 AM in science 13 comments 148
Cheap, sustainable hydrogen through solar power. Withstanding high temperatures and the light of 160 suns, a new catalyst is 10 times more efficient than previous sun-powered water-splitting devices of its kind news.umich.edu Submitted by Wagamaga t3_1039lsl on January 4, 2023 at 5:37 PM in science 13 comments 391
COVID vaccines and first boosters provided protection to pregnant women during Omicron surge. Looking at unvaccinated women, you still have an increased death rate, and increased neonatal mortality. If you are vaccinated and boosted, especially with a mRNA vaccine, those levels drop by 81%. thelancet.com Submitted by Wagamaga t3_10ne57t on January 28, 2023 at 12:39 PM in science 56 comments 1,179