Singapore has been ranked among the world’s top 10 nations - and first in Asia – for its readiness to address the challenges and leverage the opportunities of an ageing population, study finds. Switzerland tops the rankings, with Japan ranking 15th globally and second in Asia, while USA ranks 24th.
https://www.eurekalert.org/news-releases/1069207
https://redd.it/1hobds8
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Scientists have discovered a fundamental conflict in how the brain learns and forms memories, challenging long-held assumptions about classical and operant conditioning. These two learning systems cannot operate simultaneously, as they compete for dominance in the brain
https://www.jewishpress.com/news/health-and-medicine/tau-groundbreaking-discovery-illuminates-the-brains-memory-wars/2024/12/26/
https://redd.it/1ho918m
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Hiigher levels of inequality are linked to reduced brain volume and disrupted connectivity, especially in temporo-posterior and cerebellar regions essential for memory and cognitive function. Associations persisted even after accounting for factors such as education, age, sex, cognition ability
https://www.eurekalert.org/news-releases/1069058
https://redd.it/1ho5t9v
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The titan arum, a plant with a phallus-shaped spike that stands up to 3 metres tall, warms up to 36C at night and gives off the stench of a rotting corpse. A recent study revealed the pungent odours include the aptly named compound putrescine, which is given off by rotting animal carcasses.
https://www.theguardian.com/science/2024/dec/27/plantwatch-the-smelly-deception-of-titan-arums-phallic-spadix
https://redd.it/1ho3kb2
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Study: In situ, breast cancer has decreased since 2009, consistent with decreasing use of screening mammography, but decrease did not appear to have translated to more advanced breast cancer stages at diagnosis or decreases in the proportion of cases treated with partial mastectomy.
https://www.eurekalert.org/news-releases/1069095
https://redd.it/1hnw0w4
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A study from Turkey (N=467) suggests loneliness is associated with fear of positive evaluation.
https://www.psychologytoday.com/intl/blog/finding-a-new-home/202410/heres-why-lonely-people-are-afraid-of-compliments
https://redd.it/1hntop1
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A study of 15,728 US children (2015–2020) found flu vaccines reduce the risk of emergency visits, hospitalisations, and critical illness by over 50%.
https://doi.org/10.1001/jamanetworkopen.2024.52512
https://redd.it/1hnnu59
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Youth protests may initiate the societal change needed to overcome the climate crisis.
https://www.nature.com/articles/s41562-024-02075-4
https://redd.it/1hniytj
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Cooking certain vegetables (in particular garlic, onion, and leek) in vegetable oils at high temperatures can cause the oils to turn into trans fats, unhealthy fats linked to an increased risk of heart disease
https://www.newsweek.com/vegetable-cooking-method-harmful-trans-fat-2005747
https://redd.it/1hnidra
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A new study suggests that individuals who struggle to maintain attention may be particularly prone to impulsive engagement with online pornography, as the medium’s accessibility and novelty appeal to their distracted tendencies.
https://www.psypost.org/specific-types-of-impulsivity-serve-as-risk-factors-for-problematic-pornography-use/
https://redd.it/1hngq4x
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A 21-year-old bodybuilder consumed a chemical known as 2,4-DNP over several months, leading to his death from multi-organ failure. His chronic use, combined with anabolic steroids, underscored a preoccupation with physical appearance and suggested a psychiatric condition called muscle dysmorphia.
https://www.psypost.org/a-young-bodybuilders-tragic-end-highlights-the-dangers-of-performance-enhancing-substances/
https://redd.it/1hnb2f5
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New research suggests aligning mealtimes with your body's clock (time-restricted feeding) could help fight fatigue by improving metabolism and muscle function.
https://www.sciencedirect.com/science/article/abs/pii/S2095927324008752?via%3Dihub
https://redd.it/1hn8gz0
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The Risk of Cancer Fades as We Get Older (80+), And We May Finally Know Why
https://www.sciencealert.com/the-risk-of-cancer-fades-as-we-get-older-and-we-may-finally-know-why
https://redd.it/1hn5uiz
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String theory, conceptualized more than 50 years ago as a framework to explain the formation of matter, remains elusive as a provable phenomenon. But a team has now taken a significant step forward in validating string theory by using an innovative mathematical method
https://www.nyu.edu/about/news-publications/news/2024/december/physicists--bootstrap--validity-of-string-theory-.html
https://redd.it/1hmyvb1
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Women who masturbate more frequently tend to have better sexual health literacy and sexual functioning, finds a new study of sexually active Turkish Muslim women. On average, this sample of women reported masturbating five times per month.
https://www.psypost.org/women-who-masturbate-more-frequently-tend-to-have-better-sexual-health-literacy-and-sexual-functioning-study-finds/
https://redd.it/1hmw6im
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Analyzing 2,135 neuroimages of Americans, researchers found that individuals in countries with higher inequality levels exhibited reduced brain volume and disrupted connectivity, particularly in the temporo-posterior and cerebellar regions, which are essential for memory and cognitive function
https://www.tun.com/home/societal-disparities-impact-brain-health-and-aging-landmark-study-reveals/
https://redd.it/1ho8hxh
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Similarity-attraction proves to be a surprisingly unshakable psychological effect | These findings contribute to our understanding of intergroup relations in increasingly diverse societies.
https://www.psypost.org/similarity-attraction-proves-to-be-a-surprisingly-unshakable-psychological-effect/
https://redd.it/1ho7czu
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Genetic defects of brain immunity in childhood herpes simplex encephalitis - Nature
https://www.nature.com/articles/s41586-024-08119-z
https://redd.it/1ho3wqu
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Temporary resident postdocs make up the majority of US STEM postdocs and are dependent on employers for their visas. They have lower salaries, fewer benefits, less mentoring, and are less involved in collaboration, grants and teaching-- But have higher average research productivity.
https://www.sciencedirect.com/science/article/abs/pii/S0048733324001264
https://redd.it/1ho1rj2
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New study reveals economic burden of tooth decay is highest in deprived groups. The UK showed the highest per-person costs across the six countries at approximately £18,000 ($22,910).
https://www.birmingham.ac.uk/news/2024/new-study-reveals-economic-burden-of-tooth-decay-is-highest-in-deprived-groups
https://redd.it/1hnwpko
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Phase 3 C. difficile vaccine efficacy trial was well tolerated but failed to meet primary endpoint
https://academic.oup.com/cid/article/79/6/1503/7740506?rss=1&login=false
https://redd.it/1hnpbma
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How much growth is required to achieve good lives for all. Insights from needs-based analysis.
https://www.sciencedirect.com/science/article/pii/S2452292924000493
https://redd.it/1hnilb4
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People with schizophrenia show distinct brain activity when faced with conflicting information: « Researchers introduce a biomarker to indicate whether someone is struggling with the inflexible thinking associated with the disorder. »
https://now.tufts.edu/2024/11/07/people-schizophrenia-show-distinct-brain-activity-when-faced-conflicting-information
https://redd.it/1hnk22i
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A reduced neural response to receiving rewards in teens (11–17 years) predicts the first onset of depression, but not anxiety or suicidality. This is independent of pre-existing depressive or anxiety symptoms, as well as age or sex
https://www.elsevier.com/about/press-releases/teens-with-a-reduced-response-to-rewards-are-more-susceptible-to-depression
https://redd.it/1hnhmpe
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People urged to do at least 150 minutes of aerobic exercise a week to lose weight - Review of 116 clinical trials finds less than 30 minutes a day, five days a week only results in minor reductions.
https://www.theguardian.com/society/2024/dec/26/at-least-150-minutes-of-moderate-aerobic-exercise-a-week-lose-weight
https://redd.it/1hncn6o
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New study finds large language models are prone to social identity biases similar to the way humans are—but LLMs can be trained to stem these outputs
https://www.nyu.edu/about/news-publications/news/2024/december/-us--vs---them--biases-plague-ai--too.html
https://redd.it/1hn8x62
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Study reveals the brain’s uncanny ability to recognize faces under suppressed awareness.
https://www.psypost.org/study-reveals-the-brains-uncanny-ability-to-recognize-faces-under-suppressed-awareness/
https://redd.it/1hn03vf
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Scientist has found that the rapid detection of snakes by monkeys is because of the presence of snake scales as a visual cue. His findings highlight an evolutionary adaptation of primates to identify snakes based on specific visual characteristics.
https://www.nagoya-u.ac.jp/researchinfo/result-en/2024/12/20241224-02.html
https://redd.it/1hn2wp8
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A new study in mice suggests that the brain plays a key role in the process of controlling body weight by regulating intestinal fat absorption | A brain-to-gut signal controls intestinal fat absorption
https://english.elpais.com/science-tech/2024-12-23/the-brain-controls-body-weight-and-obesity-by-regulating-intestinal-fat-absorption.html
https://redd.it/1hmvtha
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Macrophages, immune cells that detect and respond to harmful substances, function differently depending on the time of day: “when macrophages ‘think’ it’s morning, their inflammasome activation is quicker and more robust, this means the immune response is heightened during the early part of the day”
https://www.rcsi.com/dublin/news-and-events/news/news-article/2024/12/rcsi-research-reveals-how-the-body-clock-regulates-inflammation
https://redd.it/1hmrhb5
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