Stress is a multidimensional psychobiological response to perceived threat or demand, mediated through coordinated activity of the sympathetic-adrenomedullary system and the hypothalamic-pituitary-adrenal (HPA) axis. When stress becomes chronic, it can contribute to dysregulation across nearly every physiological system, influencing immune function, metabolic homeostasis, cardiovascular stability, gastrointestinal integrity, sleep architecture, and mental health. Clinically, stress should be conceptualized not only as a subjective experience but as a state that alters neurocircuitry, inflammatory signaling, and autonomic tone.
At the neuroendocrine level, stress activates the locus coeruleus and sympathetic pathways, increasing catecholamine release, which elevates heart rate, blood pressure, and glucose availability. Simultaneously, the HPA axis is engaged: corticotropin-releasing hormone (CRH) is produced in the hypothalamus, stimulating pituitary adrenocorticotropic hormone (ACTH) release, which drives cortisol secretion from the adrenal cortex. Acute cortisol mobilizes energy and supports adaptive behavior, but sustained cortisol exposure can impair feedback inhibition, promote insulin resistance, and reduce sensitivity of glucocorticoid receptors in various tissues. This shift favors prolonged inflammatory responses and altered cytokine profiles.
Chronic stress is strongly linked with immune dysregulation. Cortisol and catecholamines modulate innate and adaptive immunity, affecting neutrophil trafficking, natural killer cell activity, and T-cell differentiation. Over time, stress can create a pro-inflammatory milieu by increasing markers such as C-reactive protein and promoting imbalance in cytokines including interleukin-6 and tumor necrosis factor-alpha. Clinically, this can manifest as increased susceptibility to infections, delayed wound healing, and exacerbation of autoimmune or inflammatory conditions.
The cardiovascular consequences of stress involve sympathetic predominance, endothelial dysfunction, and changes in coagulation and lipid metabolism. Stress-related surges in blood pressure and heart rate increase shear stress on vascular endothelium, while inflammatory signaling contributes to atherogenesis. Individuals with baseline hypertension, dyslipidemia, or metabolic syndrome may experience greater risk when stress persists, making stress management an important adjunct to standard care.
Metabolic effects include appetite dysregulation, preference for calorie-dense foods, and changes in energy expenditure. Elevated cortisol can increase gluconeogenesis and disrupt leptin and ghrelin signaling, contributing to central weight gain. Chronic stress also affects glycemic control through insulin resistance, raising concern for prediabetes and diabetes progression in vulnerable populations.
Gastrointestinal function is also sensitive to stress via the gut-brain axis. Altered autonomic signaling, changes in gut permeability, and shifts in the microbiome composition can contribute to symptoms such as abdominal pain, diarrhea, constipation, and functional bowel disorders. In sensitive individuals, stress can increase visceral hypersensitivity and impair motility patterns.
Sleep is frequently degraded by stress. Hyperarousal from ongoing sympathetic activity and altered circadian signaling can delay sleep onset, fragment sleep continuity, and reduce slow-wave and REM sleep. This creates a bidirectional cycle: poor sleep worsens stress reactivity, increases inflammatory tone, and impairs emotional regulation.
Mental health impacts are central. Stress can precipitate anxiety disorders and depressive episodes through mechanisms involving amygdala hyperreactivity, prefrontal cortical under-engagement, hippocampal atrophy-like processes under prolonged cortisol exposure, and alterations in serotonergic and noradrenergic signaling. Importantly, stress is not the sole cause of psychiatric illness, but it is a major precipitating and perpetuating factor.
Evidence-based stress management typically combines behavioral and lifestyle interventions with, when necessary, psychotherapy and pharmacotherapy. Cognitive Behavioral Therapy (CBT) targets maladaptive appraisal patterns and reinforces coping skills. Mindfulness-based stress reduction can reduce rumination and improve attentional control, while relaxation training (e.g., diaphragmatic breathing, progressive muscle relaxation) can attenuate sympathetic arousal. Regular aerobic activity improves autonomic balance, insulin sensitivity, and mood. Structured sleep hygiene, including consistent sleep-wake times and limiting stimulants, supports circadian stabilization.
Adjunct nutritional or herbal approaches may be used in some cultures, but clinical evidence varies by product quality and dosing. In the context of the referenced statement, Brahmi (Bacopa monnieri) and Ashwagandha (Withania somnifera) are commonly promoted for stress modulation and cognitive support. Some trials suggest potential reductions in perceived stress and anxiety symptoms, with Ashwagandha showing promise in small-to-moderate studies and Brahmi in memory and attention domains, yet effects are not uniformly consistent and safety depends on standardized extracts, contraindications, and drug interactions. Herbal juices may also contribute indirectly by improving hydration, micronutrient intake, and dietary regularity, but they should not replace evidence-based treatments for serious conditions.
From a clinical perspective, stress-related symptoms warrant assessment for red flags such as chest pain, suicidal ideation, severe insomnia, substance misuse, or persistent functional impairment. Management should be personalized, addressing underlying medical contributors (thyroid disease, anemia, medication effects), psychosocial drivers (workload, trauma, bereavement), and behavioral patterns (diet, activity, sleep).
Source: @thenorthnews_in
The North News: Honoured at the 7th Entrepreneur & Achiever Awards 2026, Acharya Manish said stress is a major cause of many illnesses and urged people to include Brahmi, Ashwagandha and herbal juices in their daily routine for better health. #AcharyaManish #EntrepreneurAwards2026 #Ayurveda. #breaking
— @thenorthnews_in May 1, 2026
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