Tag

Cortisol

All articles tagged with #cortisol

health10 days ago•7 min saved

The Silent Alarm: What Chronic Stress Does to Your Body—and How to Stop It

Chronic stress triggers the body’s fight‑or‑flight response with adrenaline and cortisol, boosting energy in the moment but diverting resources from digestion, repair and immunity when it’s constant. This can raise infection risk, obesity, depression and may influence neurodegenerative processes; individual tolerance varies with life experience and resilience. For acute stress, slow, regulated breathing and regular exercise can dampen the response, while chronic stress may require therapies like CBT or mindfulness plus lifestyle changes and social support. If stress is persistent, seek help and reduce unnecessary stressors (e.g., social media, unsolvable conflicts).

via The Guardian|

#breathing #cbt #cortisol

science15 days ago•8 min saved

Invisible Bassline: Infrasound May Elevate Stress and Irritability

A Frontiers study shows that exposure to infrasound around 18 Hz—below the hearing range—can raise saliva cortisol and increase irritability even when people can’t consciously detect the sound, suggesting that low-frequency vibrations from ventilation or basements could contribute to “haunted” feelings. The effects occurred with brief exposure and were not linked to belief about the sound, but the researchers caution that larger, more diverse studies are needed to understand health impacts and implications for building design and noise regulations.

via SciTechDaily|

#cortisol #environmental-noise #infrasound

science16 days ago•6 min saved

Emotionality Traits Drive Interest in Campus Cat Therapy, Study Shows

A study of over 1,400 university students and staff across 20 institutions found that individuals with high emotionality—a Big Five trait describing intense feelings—are more interested in cat-based stress-relief programs than dogs. Cat interactions lowered cortisol after about ten minutes, offering fast emotional regulation, and the results held across roles (student or staff) and demographics, suggesting campuses should consider including cats in animal-assisted interventions to reach those who respond best to feline contact.

via The Daily Galaxy|

#animal-assisted-therapy #cat-visits #cats

science24 days ago•3 min saved

Infrasound May Be the Hidden Driver Behind Haunting Feelings

New research shows inaudible infrasound from aging buildings can worsen mood and elevate cortisol, potentially fueling sensations of a haunting even when people can't hear the sound; visual sightings aren’t explained and more studies are needed to link real haunted sites to infrasound levels.

via Futurism|

#building-vibrations #cortisol #ghosts

science28 days ago•8 min saved

Low-frequency hum heightens irritability and stress hormones, study shows

Canadian researchers report that exposure to infrasound around 18 Hz (about 75–78 dB) can increase irritability and make audio seem sadder, even when the sound is not consciously detectable; the exposure also raises salivary cortisol, a stress marker, with effects persisting after mood was accounted for. The study, using 36 undergraduates in a 2×2 design (calming vs horror audio with infrasound on/off), strengthens prior mixed results by tightly controlling sound exposure and measuring both psychological and physiological responses.

via Boing Boing|

#cortisol #infrasound #mood

science28 days ago•3 min saved

Invisible hums from old pipes may prime minds for hauntings

inaudible infrasound below 20 Hz emitted by aging pipes and boilers can raise irritability and cortisol even when people cannot hear it, potentially fueling beliefs in hauntings among predisposed individuals; the findings are preliminary and require larger studies.

via The Guardian|

#cortisol #haunted-houses #infrasound

science29 days ago•8 min saved

Low-Frequency Noise May Fuel Haunted-House Sensations, Study Finds

A Frontiers in Behavioral Neuroscience study shows that infrasound in the 17–19 Hz range can raise salivary cortisol and increase irritability, making people feel unsettled even when they can’t consciously hear the sound. Environmental sources such as pipes, HVAC, or wind turbines could contribute to alleged hauntings, but infrasound is unlikely to be the sole cause; it may be one piece of a larger combination of factors and expectations, with larger studies needed.

via Ars Technica|

#cortisol #hauntings #infrasound

health1 month ago•6 min saved

Year of Cardio: Exercise Reduces the Body's Stress Hormone, Study Finds

A year-long randomized trial of 130 adults found that meeting 150 minutes per week of moderate-to-vigorous aerobic exercise significantly reduced long-term cortisol levels, suggesting regular exercise dampens the biology of stress and may support mental resilience and overall health; the study’s brain imaging also hinted at slower brain aging.

via SciTechDaily|

#cortisol #exercise #health

health1 month ago•6 min saved

Year-Long Cardio Recalibrates Stress Hormones and Brain Aging

A year-long randomized trial found that adults who achieve 150 minutes per week of moderate-to-vigorous aerobic exercise experience a significant drop in long-term cortisol, indicating a lowered baseline stress level; in addition to reduced stress hormone, the exercise group showed slower brain aging and improved biological resilience against depression, anxiety, and heart disease, providing causal evidence that regular cardio benefits stress biology beyond immediate mood effects.

via Neuroscience News|

#brain-aging #cortisol #exercise

health2 months ago•4 min saved

Quiet Dehydration May Amplify Cortisol During Stress, Study Finds

A Liverpool John Moores University study published in the Journal of Applied Physiology shows that healthy adults who drink less than 1.5 liters a day have about a 50% higher cortisol rise during a standardized stress test, likely due to vasopressin; thirst signals are unreliable in busy moments, so monitoring urine color and maintaining consistent hydration—around 1.5–2.5 liters daily, adjusted by sex and health—may blunt cortisol spikes and support stress resilience, though hydration doesn’t replace mental health treatment.

via Iowa Park Leader|

#cortisol #dehydration #health

health3 months ago•3 min saved

Persistent Belly Fat: The Sure Sign Your Cortisol Is Elevated

Doctors note that the number-one sign of chronically elevated cortisol is unexplained belly fat from visceral fat, which can occur even without changes to diet or exercise; cortisol levels can rise due to stress, illness, sleep deprivation, pregnancy, inflammation, and certain foods or medications, so consult a physician if you notice persistent abdominal weight gain accompanied by other health changes.

via Prevention|

#cortisol #health #hormones

health4 months ago•4 min saved

Five Surprising Signs Your Cortisol Is Running High

Chronic elevation of cortisol—the body's stress hormone—can show up beyond the obvious symptoms. Look for abdominal/visceral weight gain, muscle weakness, high blood pressure, poor sleep, and facial puffiness. Causes include ongoing stress, Cushing's syndrome, illness, sleep deprivation, pregnancy, and certain medications or supplements. Since cortisol levels can fluctuate and diagnoses can be tricky, consult a doctor if you notice persistent symptoms or notable health changes.

via Prevention|

#cortisol #health #high-cortisol

health4 months ago•264 min saved

Unmasking Cortisol: 5 Unexpected Signs You Shouldn’t Ignore

Doctors describe five surprising signs of high cortisol: weight gain around the midsection, muscle weakness, high blood pressure, poor sleep, and facial puffiness. The piece explains how chronic stress and other factors can raise cortisol, outlines possible causes (including Cushing’s syndrome), and suggests seeing a doctor to evaluate cortisol levels if these symptoms appear.

via AOL.com|

#cortisol #health #signs

wellness4 months ago•69 min saved

Why Your 3am Wake-Ups Might Be Hormones, Stress, or Sleep Trouble—and How to Fix It

The article explains that waking around 3–4am is common and can stem from hormonal shifts (perimenopause/menopause), sleep disorders (insomnia, sleep apnea), nocturnal urination, and environmental or lifestyle factors. Sleep doctors advise calming the nervous system and addressing underlying issues: use slow breathing (eg, 4-7-8), follow a 15-minute rule for sleep after waking, try cognitive shuffling to quiet thoughts, keep a consistent sleep schedule, limit evening caffeine/alcohol, and optimize the sleep environment. If wake-ups persist, seek medical evaluation for potential underlying conditions.

via Tom's Guide|

#cortisol #insomnia #menopause

health4 months ago•3 min saved

Neuroscientist Andrew Huberman's Morning Habit for a Productive Day

Stanford neuroscientist Andrew Huberman emphasizes the importance of getting bright light in the morning to spike cortisol levels, which helps set a healthy circadian rhythm and optimize physical and mental health. He recommends exposure to natural sunlight or artificial light soon after waking and suggests incorporating movement to further support cortisol production, while dimming lights and avoiding caffeine at night to promote better sleep.

via Business Insider|

#andrew-huberman #cortisol #health