Uncategorized Air pollution linked to higher risk of dementia

Air pollution linked to higher risk of dementia

Air pollution is now an established risk factor for heart disease/stroke and respiratory disease, but its potential role in neurodegenerative diseases, such as dementia, isn’t clear. To try and explore this further, the researchers used carefully calculated estimates of air and noise pollution levels across Greater London to assess potential links with new dementia diagnoses. …

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Uncategorized Busy people seem to make healthier choices

Busy people seem to make healthier choices

“Every day, we make many decisions that involve choosing between our immediate and future well-being. For instance, do we go to the gym after work, or do we just go home to relax in front of the television? Do we save money for retirement, or do we splurge on a trip? Do we eat fruit …

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Uncategorized Low-dose aspirin has no effect on healthy life span in older people

Low-dose aspirin has no effect on healthy life span in older people

In a large clinical trial to determine the risks and benefits of daily low-dose aspirin in healthy older adults without previous cardiovascular events, aspirin did not prolong healthy, independent living (life free of dementia or persistent physical disability). Risk of dying from a range of causes, including cancer and heart disease, varied and will require …

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Uncategorized Researchers explore why we relate to characters

Researchers explore why we relate to characters

New research published in the Journal of Cognitive Neuroscience, suggests that no matter how a narrative is expressed–through words, gestures or drawings–our brains relate best to the characters, focusing on the thoughts and feelings of the protagonist of each story. “We tell stories in conversation each and every day,” explains Steven Brown, lead author of …

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Uncategorized Brain neurons could be targeted to dampen pain from touch

Brain neurons could be targeted to dampen pain from touch

“We know that mental activities of the higher brain — cognition, memory, fear, anxiety — can cause you to feel more or less pain,” says Woolf. “Now we’ve confirmed a physiological pathway that may be responsible for the extent of the pain. We have identified a volume control in the brain for pain — now …

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Uncategorized Predicting and quantifying racism and unequal treatment

Predicting and quantifying racism and unequal treatment

A new paper published this week in the Proceedings of the National Academy of Sciences cuts to the heart of messy social interactions with a set of computational models to quantify and predict unequal treatment. Hsu and post-doctoral researcher Adrianna C. Jenkins–now an assistant professor at the University of Pennsylvania–drew on social psychology and behavioral …

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Uncategorized Reduce falling risk with Tai Chi

Reduce falling risk with Tai Chi

A program of┬átai ji quan balance training classes, developed on the classic concept of tai chi, was more effective at reducing falls among older adults at high risk for them than stretching exercises or a training program that incorporated aerobic, strength, balance and flexibility exercises after six months. This randomized clinical trial included 670 adults …

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Uncategorized Evolution of human personality traits

Evolution of human personality traits

How and why human-unique characteristics such as highly social behavior, languages and complex culture have evolved is a long-standing question. A research team led by Tohoku University in Japan has revealed the evolution of a gene related to such human-unique psychiatric traits. PhD candidate Daiki Sato and Professor Masakado Kawata have discovered SLC18A1 (VMAT1), which …

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Uncategorized Learn to forget: how the brain forgets on purpose

Learn to forget: how the brain forgets on purpose

The researchers recorded the brain activity of 22 patients, who had electrodes implanted either in the prefrontal cortex or in a deeper structure, the hippocampus. They presented the participants with a number of words, asking them either to remember or to forget them. A test showed that the participants did indeed remember the words that …

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Uncategorized Cannabis use grows among those over 50

Cannabis use grows among those over 50

Attitudes towards marijuana use are changing in the U.S., with a growing number of states legalizing medical and recreational marijuana. Although marijuana users are more likely to be young adults, the baby boomer generation is unique, having more experience with recreational use of drugs than previous generations. “The baby boomer generation grew up during a …

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