Constipation: 7 Reasons It Happens, What It Does to Your Body, and What the Research Says Actually Works — For Every Age

This article examines constipation as a multifactorial gastrointestinal disorder affecting all age groups, through the lens of current clinical research. The article covers: the Rome IV diagnostic criteria for functional constipation; the Bristol Stool Scale as a practical diagnostic and monitoring tool; seven primary causes of constipation with mechanisms and population-specific prevalence; the gut-brain axis in constipation pathophysiology (enteric nervous system, vagal regulation, stress-induced bowel dysmotility); the health consequences of chronic constipation beyond discomfort; constipation in children and youth (withholding behaviour, toilet anxiety, diet, physical activity, microbiome); constipation in older adults as a systemic geriatric syndrome (polypharmacy, sarcopenia, immobility, reduced colonic neuronal density, anorectal dysfunction); evidence-based management across age groups (dietary fibre, psyllium husk, prunes, kiwifruit, probiotics, hydration, physical activity, toilet positioning, biofeedback); and the Indian traditional system’s approach to constipation management, including Isabgol (psyllium husk), Triphala, warm water practices, squatting position, post-meal walking, and the role of ghee. Internal backlinks connect the article to companion articles on walking after meals, functional beverages, abdominal massage, morning practices, and dietary nutrition. Governing argument: constipation is not an inconvenience. In its chronic form, it is a systemic health condition with documented cardiovascular, neurological, and quality-of-life consequences that respond well to intervention when the right interventions are applied.