Norepinephrine News and Research

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AI-powered sweat sensor predicts anxiety before symptoms appear

Researchers have developed Stressomic, a wearable microfluidic biosensor that sequentially measures cortisol, epinephrine, and norepinephrine in sweat at six-minute intervals. The device distinguishes physical from psychological stress and predicts anxiety levels using machine learning.

7 Aug 2025

New analysis shows stopping antidepressants rarely leads to severe symptoms

The largest review of 'gold standard' antidepressant withdrawal studies to date has identified the type and incidence of symptoms experienced by people discontinuing antidepressants, finding most people do not experience severe withdrawal.

10 Jul 2025

Methylene blue emerges as an adjunct in septic shock

Recent evidence suggests methylene blue may help reduce vasopressor needs and ICU stays in septic shock, but current data do not support replacing standard therapies. Further research is needed to clarify its optimal dosing, timing, and patient selection for best outcomes.

26 Jun 2025

Can saffron treat Alzheimer’s and depression?

Saffron shows promise as a natural treatment for depression and cognitive decline, performing as well as standard drugs in clinical trials. However, more rigorous studies are needed before saffron can be recommended in mainstream psychiatric and dementia care.

26 Jun 2025

Men lose more weight than women on the keto diet, new study reveals why

Men lose more weight than women on a ketogenic diet, according to a comprehensive review in Frontiers in Nutrition. Sex differences in hormones, metabolism, and fat distribution influence the effectiveness of the ketogenic diet for obesity.

22 Jun 2025

How does norepinephrine influence anxiety-related behaviours?

Discover how microscopy revealed the influence norepinephrine has on anxiety.

From Bruker Nano Surfaces and Metrology 3 Jun 2025

Astrocytes found to drive brain rewiring during attention states

Researchers at Washington University School of Medicine in St. Louis have upended decades-old dogma of how connections between brain cells are rearranged during states of heightened vigilance or attention.

15 May 2025

Researchers uncover key role of peri-LC neurons in the brain arousal system

A small cluster of cells deep within our brains, called the locus coeruleus, affects how awake and attentive we are, how we respond to stress, how we cope with anxiety and fear, and how we create memories and learn.

14 May 2025

Promising results seen in atypical trigeminal neuralgia with combined surgical approach

Atypical trigeminal neuralgia (ATN) is a chronic pain condition characterized by persistent facial pain that does not respond well to conventional medical treatments, often leading to significant impairment in quality of life.

25 Apr 2025

Calming the brain's immune cells may curb damaging inflammation in Alzheimer's

New research suggests that calming the brain's immune cells might prevent or lessen the damaging inflammation seen in Alzheimer's disease.

17 Apr 2025

Individualized treatment strategies may be the key to managing pediatric POTS

Postural orthostatic tachycardia syndrome (POTS) is a form of chronic orthostatic intolerance that primarily affects children and adolescents, leading to debilitating symptoms like lightheadedness, blurred vision, and fatigue upon standing.

10 Mar 2025

New review maps the impact of reproductive hormones on neurological health

A comprehensive review published today in Brain Medicine by leading neuroendocrinologist Professor Hyman M. Schipper from McGill University's Department of Neurology and Neurosurgery maps out the extensive influence of reproductive hormones on neurological health and disease.

18 Feb 2025

Anxiety reduction with antidepressants confirmed, long-term effects uncertain

A new Cochrane review confirms that antidepressants effectively reduce symptoms of generalized anxiety disorder (GAD) under trial conditions, although there is limited data on long-term usage.

30 Jan 2025

How stress fuels allergic skin inflammation

Researchers investigate the cellular and molecular mechanisms through which stress exacerbates immunoglobulin E cutaneous allergic inflammation.

9 Jan 2025

Zebrafish study uncovers how ketamine affects brain cells to treat depression

The decades-old anesthetic ketamine could be a game changer for treating severe depression, but there are still many questions about how the drug works, including exactly how it affects the brain's cells and circuits.

17 Dec 2024

Exercise enhances memory for up to 24 hours, study finds

The short-term boost our brains get after we do exercise persists throughout the following day, suggests a new study led by UCL (University College London) researchers.

9 Dec 2024

Heart medication may slow the progression of Huntington's disease

Research indicates β-blockers may reduce the risk of motor diagnosis and slow symptom progression in Huntington's disease, suggesting new management approaches.

4 Dec 2024

Beta-blocker drugs may slow Huntington's disease progression

A common heart drug may slow the progression of Huntington's disease (HD), according to a new study by University of Iowa Health Care researchers.

2 Dec 2024

Research highlights immune system's role in depression

A new study highlights the link between inflammation and depression, challenging traditional neurotransmitter-focused theories.

11 Nov 2024

Breakthrough research reveals key role of melatonin receptor in REM sleep

A significant breakthrough in the understanding of sleep mechanism opens new promise for treating sleep disorders and associated neuropsychiatric conditions: Scientists have pinpointed the melatonin receptor MT1 as a crucial regulator of REM (Rapid Eye Movement) sleep.

23 Sep 2024