Recent comments in /f/science

chrisdh79 OP t1_j8nmsmd wrote

From the article: More frequent smartphone checking behavior is associated with greater incidences of daily cognitive failures, according to new research published in the British Journal of Psychology. However, the new findings also indicate that some forms of screen time are actually associated with reduced cognitive failures.

There are concerns that smartphone use is related to the phenomenon of daily cognitive failures. Research has suggested that frequent smartphone use can lead to cognitive overload and decrease attentional control, which may contribute to cognitive failures such as forgetfulness, distraction, and mind wandering. Additionally, smartphone use can be highly distracting and interruptive, which may interfere with the ability to focus and complete tasks.

“This is a very interesting topic given that smartphone use has become ubiquitous in recent years and has dramatically changed the way people communicate and access information,” said study author Andree Hartanto, an assistant professor of psychology at Singapore Management University.

“It has been suggested that smartphone use may have negative effects on our cognitive processes, leading to daily cognitive failures such as forgetfulness and difficulty in paying attention. However, the evidence is mixed. Given the widespread use of smartphones and the potential impact on daily life, we believe that it is important to examine the relationship between smartphone use and cognitive failures rigorously with a better methodology using a daily dairy approach with objective measures of smartphone use.”

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katarh t1_j8ni6jp wrote

My hour long resistance training session at the gym doesn't need gatorade, just some water and a good meal afterward.

That marathoner who is on mile 20 and has hit the wall, pushed through it, pooped himself, and is on the verge of passing out and is only still going due to sheer endorphins? Yep, electrolytes make a LOT of sense.

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MatsThyWit t1_j8nh0u6 wrote

I could have told you that. It's to the point, living in Michigan where it's legal, where if I'm feeling soreness, pain, headaches, or even slight nausea... I'll take a couple hits off a bowl or a joint and within about 30 I'm usually back on my feet. Works better than any bottle of aspirin or Tylenol ever did.

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takingastep t1_j8nf49n wrote

>When threatened with the possibility of starvation, early humans developed a survival response that sent them foraging for food. Yet foraging is effective only if metabolism is inhibited in various parts of the brain. Foraging requires focus, rapid assessment, impulsivity, exploratory behavior and risk taking. It is enhanced by blocking whatever gets in the way, like recent memories and attention to time. Fructose, a kind of sugar, helps damp down these centers, allowing more focus on food gathering.

>In fact, the researchers found the entire foraging response was set in motion by the metabolism of fructose whether it was eaten or produced in the body. Metabolizing fructose and its byproduct, intracellular uric acid, was critical to the survival of both humans and animals.

>The researchers noted that fructose reduces blood flow to the brain’s cerebral cortex involved in self-control, as well as the hippocampus and thalamus. Meanwhile, blood flow increased around the visual cortex associated with food reward. All of this stimulated the foraging response.

>“We believe that initially the fructose-dependent reduction in cerebral metabolism in these regions was reversible and meant to be beneficial,” Johnson said. “But chronic and persistent reduction in cerebral metabolism driven by recurrent fructose metabolism leads to progressive brain atrophy and neuron loss with all of the features of AD.”

Fructose, as in "high fructose corn syrup"? It may reduce self-control and encourage people to seek out excess food for the mental reward stimulus? And long-term, repeated metabolism of it may contribute to Alzheimer's (which implies that excess consumption of it makes it happen even faster)?

Sigh. If I'm understanding that correctly, I'd think this would count as a motive for various food industries to intentionally use excessive fructose in various food products to manipulate people to buy excess food/drink against their will/better judgment. It would also probably count as evidence of harm caused by including it in food/drink products. One would need harder evidence to prove that they deliberately and knowingly did so, though.

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