Sleep deprivation kills by damaging the gut, but antioxidants may help
Sleep deprivation kills flies and mice by causing oxidative damage in the gut, a process that antioxidants can reverse, according to a Harvard study.
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Spending on experiences leads to quicker happiness than possessions
Spending money on experiences rather than material goods tends to bring more immediate and lasting happiness. Researchers Amit Kumar from the University of Texas at Austin, along with colleagues from the University of Pennsylvania and Cornell University, conducted experiments showing…
Sleep deprivation’s effects comparable to alcohol intoxication, warns NIO
Sleep deprivation significantly impairs cognitive and physical functioning, likening its effects to alcohol intoxication. Staying awake for 17 hours equates to a blood alcohol concentration (BAC) of 0.05%, while 24 hours is comparable to a BAC of 0.10%, surpassing the…
Religious households prefer dogs, non-religious households lean toward cats, study finds
A 2019 study showed a clear link between religiosity and pet choice in the United States. Using a nationwide survey of more than 2000 adults, researchers Samuel Perry and Ryan Burge found that people who attend church frequently are much…
Sleep deprivation leads to hallucinations and psychotic symptoms with prolonged wakefulness
A systematic review of 21 studies on sleep deprivation shows that going without sleep for extended periods causes visual, auditory, and somatosensory hallucinations, progressing toward psychosis. Perceptual distortions appear after 24–48 hours of sleep loss, followed by more complex hallucinations…
Sleep deprivation makes you angrier by disrupting brain control
New research confirms sleep deprivation triggers anger by disrupting the brain's ability to regulate emotions via the amygdala and prefrontal cortex.
Oxytocin social bonding: vole study shows how love and loss change the brain
A review of oxytocin social bonding in prairie voles shows the hormone helps form pair bonds and that social loss disrupts oxytocin, causing depression.
Building muscle strength to boost brain health
Building muscle strength enhances cognitive function in older adults A study published in the Journal of the American Geriatrics Society demonstrated that high-intensity resistance training (PRT) significantly improves both cognitive function and physical strength in older adults with mild cognitive…
NAD supplements: what they are, what they do
Clear guide to NAD supplements: what they are, how they work, key evidence, safety, and limits. Learn if NAD supplements help and what remains unproven.