No evidence to support link between violent video games and behaviour - Researchers at the University of York have found no evidence to support the theory that video games make players more violent.
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LED lights found to kill coronavirus efficiently, quickly, and cheaply, a global first in fight against COVID-19. The finding suggests the UV-LEDs can be installed in air conditioning and water systems. It requires less than half a minute to destroy more than 99.9% of coronaviruses.
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People with ADHD traits tend to take bigger financial risks but see lower returns, study finds. Men reported higher financial risk tolerance and stronger investment returns overall. But among women in the sample, ADHD traits were linked to lower financial risk tolerance and poorer outcomes.
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Most Americans would be healthier without daylight saving. Study compared permanent standard, permanent daylight saving and biannual shifting, and found we currently have "worst choice". Permanent standard time is better than permanent daylight time, with both better than current biannual shift.
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Cognitive ability becomes increasingly stable after age 3, study finds. Cognitive ability refers to a person’s capacity to acquire knowledge, think, reason, solve problems, and adapt to new situations.
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Cannabis compounds THC and cannabidiol (CBD) have opposing effects on brain function—and combining the two produces more muted changes than THC alone, finds new neuroimaging study in rats to compare how these cannabis-derived compounds alter patterns of communication and blood flow in the brain.
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For stronger bones at any age, replace sitting with light activity. A sweeping review shows that across all ages, even light daily activity protects bone health, while too much sedentary time quietly raises the risk of fractures.
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“Love doesn’t thrive on ledgers”: Keeping score in relationships foreshadows decline, study finds. A long-term study of couples in Germany found that when partners expected something in return for favors or sacrifices, their satisfaction tended to decline over time.
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Researchers have uncovered a gut-diet link to postpartum depression, finding that eating a diet of soy, fermented foods, and seaweed may nurture beneficial gut bacteria and protect mothers’ mental health. The new study is by Kyoto University on diet and postpartum depression in Japanese mothers.
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There is a bimodal age distribution among mass murderers - late adolescence or middle age. Younger offenders have a history of social rejection, with manifestos or social media posts desiring revenge or recognition, for dominance or notoriety. Older offenders are often preceded by acute life crises.
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Women prone to self-objectification (view and evaluate themselves mainly in terms of how their bodies appear to others) tend to have lower empathy with diminished theory-of-mind abilities—the capacity to understand that other people have their own thoughts, perceptions, and goals.
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People spent slightly more time playing video games during COVID-19 pandemic, but this was not meaningfully associated with changes in mental health. The findings indicate that concerns about gaming being a widespread risk to psychological well-being during lockdowns may have been overstated.
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In the largest such study to date, frequent cannabis users did not display impairments in driving performance after at least 48 hours of abstinence. The new findings have implications for public health as well as the enforcement of laws related to cannabis and driving.
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The way teenagers receive their parents’ warnings depends less on the message and more on whether their parents genuinely living their own values. When parents model their values consistently in daily life, their warnings are more likely to be perceived by teenagers as guidance instead of control.
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Chronic pain worsened by harsh self-criticism, study finds. People living with chronic pain tend to be more perfectionistic, less self-compassionate and – depending on the measure – less confident in their ability to cope. These psychological traits may intensify suffering.
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Past research found that men were as likely as women to be woken by wailing infants. A new study found that the cry of a distressed baby triggers a rapid emotional response in both men and women that is enough to make them physically hotter.
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Pregnant women who drink 5 or more diet beverages a week face up to an 88% higher risk of gestational diabetes, finds a major new study linking artificial sweeteners to pregnancy complications. The researchers noted a dose-response relationship: the more diet drinks consumed, the greater the risk.
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Many autistic adults feel torn about revealing their diagnosis. Disclosure can serve meaningful purposes, such as accessing support, fostering self-acceptance, and engaging in activism, but also exposes people to disbelief, stereotyping, and emotional vulnerability.
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Human Evolution May Explain High Autism Rates: genetic changes that made our brain unique also made us more neurodiverse. Special neurons underwent fast evolution in humans - this rapid shift coincided with alterations in genes linked to autism, likely shaped by natural selection unique to humans.
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My blue is your blue: different people’s brains process colours in the same way. Neuroscientists can predict what colour a person is looking at using a machine-learning tool trained on the brain activity of others.
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Attraction goes beyond looks: Study shows voices, scents, and motion all matter. Physical attraction is not simply about being objectively good-looking. Instead, attraction seems to arise from a mix of shared traits, personal preferences, and subtle non-verbal signals that go beyond facial features.
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A single fecal microbiota transplant in obese teens delivered long-lasting metabolic benefits, shrinking waistlines, reducing body fat and inflammation, and lowering heart disease risk markers, which were still visible four years later.
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Researchers watched 150 episodes of Bluey – they found it can teach kids about resilience for real life. Resilience isn’t just about “toughing it out”. It’s the ability to cope with challenges, adapt to setbacks and recover from difficulties.
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Experimental new sunscreen forgoes minerals, replacing them with plant pollen. When applied to animal skin in lab tests, it rated SPF 30, blocking 97% UV rays. It had no effect on corals, even after 60 days. By contrast, corals died of bleaching within 6 days of exposure to commercial sunscreens.
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The way babies are soothed may be more important than how quickly mothers respond. UK mothers responded more quickly, but Ugandan infants recovered faster. UK mothers used more verbal reassurance and less tactile contact. Ugandan mothers used more tactile strategies, particularly breastfeeding.
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