Stress
Study finds infrasound can raise cortisol and irritability even when people can’t hear it
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A small controlled experiment reported in Frontiers in Behavioral Neuroscience found that exposure to infrasound—ultra-low-frequency vibration below the range of human hearing—was associated with higher salivary cortisol and more negative mood ratings, even though participants could not reliably detect when the infrasound was present.
New research links chronic stress combined with late-night eating to increased risks of constipation, diarrhea, and reduced gut microbiome diversity. Scientists analyzed data from over 11,000 participants in a national survey. The findings are set to be presented at Digestive Disease Week on May 4.
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Eine vom U.S. National Institute on Aging finanzierte Studie kommt zu dem Ergebnis, dass der Umgang mit problematischen Personen die biologische Alterung beschleunigt. Jede weitere derartige Person erhöht das biologische Alter um etwa neun Monate und beschleunigt die Alterungsrate um 1,5 Prozent.