A new study shows that getting only half a night's sleep hijacks the brain's activity during learning and memory consolidation, leading to increased vulnerability to conditions like anxiety and posttraumatic stress disorder. The research found that even partial sleep deprivation can be worse than no sleep at all.
Researchers found epigenetic biomarkers that indicate chronic stress in commercially raised chickens, potentially leading to improved animal welfare and quality meat. The study suggests a diagnostic tool could be developed to track recurrent stress in production animals.
Researchers at University of South Florida have discovered a key molecule involved in regulating flexibility in animal stress responses. The study provides a novel perspective on how vertebrates cope with environmental stressors and highlights the importance of understanding stress response flexibility for both human and animal health.
A German study found that only 2.6% of asylum seekers received a diagnosis for depression, while 1.4% received a diagnosis for anxiety disorder and 2.9% for PTSD symptoms. Many diagnosed individuals did not receive treatment, highlighting the need for urgent improvements in mental health care.
Researchers at Karolinska Institutet have identified a key protein called p11 that affects the brain's response to stress, potentially increasing the risk of depression. The study found that mice with low p11 levels react more strongly to stress and exhibit anxiety-like behavior.
Researchers found that individuals with reduced biological arousal before the onset of COVID-19 exhibited more symptoms of post-traumatic stress disorder compared to those with higher responses. The study suggests that lower heart rate reactions may be a unique biomarker for mental health outcomes.
Exercise-based stress relief is linked to increased galanin levels in the brainstem, which improves stress resilience. This study found that mice with access to an exercise wheel displayed reduced anxious behaviors and elevated galanin levels in response to a stressful event.
Research shows that oxytocin reverses delayed gastric emptying caused by stress, increasing stomach muscle contractions. The hormone also inhibits adaptation to stress, delaying gastric emptying and decreasing stomach tone.
A study from the Danish psychiatry project iPSYCH identified genetic risk factors for developing bipolar disorder and psychoses among people with depression. The results may contribute to ensuring correct diagnosis is made earlier, leading to better treatment outcomes.
A recent study published in JAMA Network Open found that trauma-exposed adolescents with moderately elevated acyl-ghrelin hormone levels are almost eight times more likely to develop post-traumatic stress disorder (PTSD). The study also suggests that lower acyl-ghrelin levels may reduce the risk and severity of subsequent PTSD.
Researchers report that traumatic brain injury (TBI) can lead to chronic stress, anxiety, and depressive symptoms, as well as chronic pain. Studies highlight the importance of addressing dysfunctional coping mechanisms and supporting patients' social connections to improve outcomes.
Researchers studied epigenetic modifications associated with posttraumatic stress disorder (PTSD) in trauma survivors, finding a link to the gene NTRK2 and reduced PTSD risk. The study revealed that epigenetic modification of NTRK2 was predictive of PTSD risk, but its relationship with PTSD is complex and influenced by multiple factors.
A new study found that yoga significantly improved symptoms for those with generalized anxiety disorder, but not as effective as cognitive behavioral therapy. Yoga was more effective than stress management, with 54% of participants experiencing improved symptoms compared to 33% in the control group.
A study published in PLOS ONE found that captive black rhinoceroses have higher iron levels, inflammation, and oxidative stress compared to white rhinoceroses. This suggests a link between iron accumulation and the development of diseases like organ failure.
A new study published in the Journal of Cardiac Failure found that mental stress and anger can exacerbate heart failure by worsening diastolic function. Patients who experienced anger during the study exhibited worse baseline resting blood pressure, while most participants showed stress-provoked changes in diastolic function.
Researchers at Penn Nursing and Drexel University explore how Black men articulate factors that facilitate or hinder their help-seeking for psychological symptoms after injury. The study found that severe posttraumatic symptoms create pathways to help-seeking, while financial worry and discrimination combine in a pathway toward help-se...
A study by Boston Medical Center found that 29% of private post-acute care facilities in Massachusetts explicitly discriminated against hospitalized individuals with opioid use disorder, rejecting their referral for admission. The rejections were often due to a substance use disorder diagnosis or treatment with buprenorphine or methadone.
A meta-analysis of 62 studies and 44,000 participants reveals that eight specific types of early life stress are associated with an increased risk of developing depression in youth. These include emotional abuse, poverty, and death of a family member, while others like sexual abuse and physical abuse show stronger links to the condition.
Researchers found an immune system cell called interleukin-6 (IL-6) triggers inflammation in times of stress, worsening health problems such as diabetes and autoimmune disease. Blocking IL-6 production protects stressed mice from inflammation and alleviates symptoms of depression.
A commentary from Beth Israel Deaconess Medical Center reviews basic respiratory physiology and highlights the clinician's role in educating the public against relying on speech as a sign of adequate respiration. Data from studies of war and torture victims show that suffocation is a strong predictor of posttraumatic stress disorder.
Researchers at GW University are investigating changes in the ventral tegmental area of the brain during chronic stress, a common contributor to depression and anxiety disorders. The study aims to understand how stress affects the reward circuitry and identify potential treatments.
Research at the University of Guelph found that parents under stress are less likely to monitor and limit their children's screen time. Mothers who reported high levels of parenting stress were more likely to use devices in front of their kids, while fathers experiencing similar stress were more likely to enforce rules.
Researchers at Florida Atlantic University and The Ohio State University identify the specific brain circuit responsible for neuroinflammation and psychological disorders caused by chronic stress. By limiting inflammatory signaling to this circuit, they suggest a potential treatment approach for anxiety and depression.
A UConn study found that most Americans are experiencing stress related to COVID-19, but also adhering to social distancing guidelines. The survey showed high stress exposure and vulnerable demographic groups, with younger adults and men showing potentially worrisome lack of adherence to CDC guidelines.
Italian healthcare workers experienced high rates of posttraumatic stress disorder, depression, anxiety, and insomnia during the COVID-19 pandemic. The study highlights the need for mental health support for frontline workers.
A new study led by the Yale School of Public Health found that the coronavirus pandemic is likely to have profound short- and long-term consequences for physical and mental health, particularly for vulnerable populations. The research showed that exposures common to the current pandemic are strongly associated with posttraumatic stress...
Research reveals that traumatic stress can strengthen amygdala pathways involved in emotion and social behaviors, leading to increased aggression. Deep brain stimulation may be a potential target for treating post-traumatic stress disorder (PTSD) related aggression.
Long quarantine periods can lead to anxiety crisis, fear of contagion, and post-traumatic stress disorder in children. Experts advise speaking calmly, structuring their day, and dividing time into patterns and rhythms to help manage traumatic events.
A neural circuit in deep brain areas drives physical responses to emotional stress, including increased blood pressure and heart rate. Blocking this circuit may help reduce stress symptoms in rats, suggesting a potential target for treating stress-related disorders like panic disorder and PTSD.
Researchers drew on studies of the 9/11 attacks to develop coping techniques for COVID-19 stress, emphasizing control, coherence, and connectedness. These strategies include acceptance-based coping, mindfulness, and lovingkindness meditation to promote resilience and recovery.
A survey of U.S. primary care physicians found that nearly one-third do not view medication treatment for opioid use disorder as effective, despite strong research evidence and clinical guidelines emphasizing its life-saving benefits. The study also revealed low support for policies to remove prescription barriers and increase insuranc...
Researchers investigated how stress granules assemble and dissolve, shedding light on their role in neurodegenerative diseases like ALS. Stress granules formed in response to stress can promote the assembly of dynamic structures that may trigger motor neuron death.
MIT researchers have developed a method to remotely control hormone release from the adrenal gland using magnetic nanoparticles, offering a less invasive alternative to existing treatments. The technique uses heat-sensitive ion channels to stimulate hormone production, potentially treating conditions such as PTSD and chronic pain.
Research led by Dr. Si-Qiong June Liu found that stress changes the structure of the brain and affects communication between nerve cells. A single stressful event can produce quick and long-lasting changes in astrocytes, which may lead to new pharmacological targets for preventing or reversing stress-induced changes.
Patients with abnormal stress test results but clear arteries experience changes in symptoms over time. The study found that disease activity ebbs and flows, with periods of increased symptom severity and absence.
A study found that stress can alter sperm composition and influence fetal brain development in the womb, potentially affecting future generations. Researchers discovered a biological mechanism by which stress changes sperm and interacts with maturing sperm, leading to significant changes in brain development and stress response.
Research presented at the American College of Cardiology's Annual Scientific Session found that mental stress may be a stronger predictor of a repeat heart attack or dying from heart disease. Among over 300 young and middle-aged individuals, those who endured myocardial ischemia with mental stress had a two-fold higher likelihood of ha...
A Korea Brain Research Institute study found that the posterior parietal cortex plays a role in fear renewal in novel contexts. This discovery may lead to the development of new treatments for post-traumatic stress disorder (PTSD) and fear-related disorders.
Research from University of Turku identifies JNK protein as a stress sensor that triggers synapse disassembly when stressed. Inhibiting the JNK protein may help prevent chronic stress-related changes in brain circuits.
Researchers investigated the association between stress-related disorders and neurodegenerative diseases in Sweden's national health registers. Stress-related disorders were found to be associated with an increased risk of these diseases.
Research by Yale School of Public Health reveals that over 30% of injury survivors experience moderate-to-severe PTSD symptoms within the first year. The study found factors such as physical assault, interpersonal violence, and lower educational attainment contribute to increased symptom severity.
A study by Penn State researchers found that stress can lead to both giving and receiving emotional support from others, with effects lasting up to two days. The study, which interviewed over 1,600 participants, suggests that stress can facilitate social connections and promote emotional well-being.
A new study by Salk researchers finds that altered potassium levels in neurons may contribute to mood swings in bipolar disorder. The study reveals two distinct types of neurons in people with bipolar disorder who respond to lithium and those who don't, highlighting the need for personalized treatment approaches.
Two pilot studies reveal changes in brain connectivity related to stress and problem-solving ability, suggesting a biomarker for stress-induced cognitive impairment. The findings, published in Brain Imaging and Behavior and NeuroImage, could ultimately inform treatment strategies for patients suffering from stress-related illnesses.
A magnetoencephalography study found that acute stress suppresses appetite by altering neural activity in the frontal pole, which is involved in thinking and planning. The findings suggest that expectations of future actions can interfere with appetite regulation, leading to increased sympathetic nerve activity and decreased alpha band...
Researchers found that 94% of middle school teachers experience high stress, with varying coping mechanisms. The study suggests reducing teaching burden is critical for improving student outcomes academically and behaviorally. School districts can provide initiatives and programs to promote mental health and reduce teacher stress.
Researchers found that stress activates nerves that release norepinephrine, which causes premature depletion of pigment-producing cells. This leads to permanent damage and loss of stem cells, resulting in gray hair. The study advances understanding of stress impact on the body and paves way for new treatments.
Researchers at Vanderbilt University Medical Center found a molecule produced by the brain that reduces anxiety-causing connections between two brain regions. This discovery could lead to pharmacologic treatments regulating anxiety and depressive symptoms in people with stress-related anxiety disorders.
Research by University of Houston psychology professor Anka Vujanovic reveals that distress tolerance amplifies associations between posttraumatic stress disorder symptoms and alcohol use severity. PTSD symptom severity is also associated with heavy drinking, highlighting the need for targeted interventions.
Researchers at Hokkaido University found that nuclear stress bodies help cells recover from stress by regulating intron retention, a process essential for gene expression. The discovery sheds light on the mysterious organelles' role in stress response and has implications for understanding various biological functions.
Researchers created manganite nanowires with controlled quenched disorder, revealing enhanced magnetoresistance. Quenched disorder plays a significant role in complex oxide systems.
A study of 180 gunshot wound survivors found that they experienced negative outcomes in terms of employment, alcohol and substance use, and mental health compared to the general population. Nearly half of the survivors screened positive for posttraumatic stress disorder.
A recent study found that Vietnam-era women veterans continue to struggle with stress-related mental health conditions, including PTSD, major depression, and generalized anxiety disorder. Exposure to sexual discrimination and harassment while deployed was a significant risk factor for poor health outcomes and increased disability.
A Rutgers University study found that women exposed to stress and plastic additives during late pregnancy are at increased risk of premature birth. The research suggests that the third trimester is a critical window for this risk, with higher levels of phthalates in urine and reported stress during pregnancy also linked to preterm births.
A study published by Professor Henrik Oster suggests that daily stress coupled with a disrupted internal clock increases the risk of developing metabolic disorders such as obesity and type 2 diabetes. This is because environmental stress can affect food intake, promote weight gain, and have long-lasting effects on stress responses.
Research suggests female veterans with posttraumatic stress disorder (PTSD) have higher rates of diabetes, high cholesterol, high blood pressure, tobacco smoking, and obesity compared to those without PTSD. This increased risk may put female veterans with PTSD at a greater risk for developing heart disease.
Researchers discovered shared brain circuit abnormalities in patients with mood and anxiety disorders, enabling targeted interventions. These findings hold promise for improving outcomes for individuals with major depressive disorder, bipolar disorder, post-traumatic stress disorder, and anxiety disorders.
A large Swedish study found stress-related disorders associated with a higher risk of life-threatening infections like meningitis and sepsis. Younger age at diagnosis and co-occurring psychiatric conditions further increased the risk, while SSRI antidepressant use appeared protective.
Researchers found a strong association between chronic stress and hypertension in African Americans, with those reporting high stress levels facing a 22% increased risk over time. Lifestyle changes may help prevent hypertension, but culturally sensitive interventions are needed to address disparities.
A new study found that military veterans with post-traumatic stress disorder (PTSD) are more likely to experience a rare sleep disorder called REM sleep behavior disorder (RBD), which is also linked to an increased risk of developing neurodegenerative conditions like Parkinson's disease. Researchers hope that identifying patients with ...