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Vitamin B12 deficiency can arise from various factors, including dietary deficiencies, malabsorption syndromes, or certain medical conditions

Are vitamin B-12 measurements adequate for evaluating its deficiency in individuals

Apart from vegans and people with gastrointestinal conditions, infants and children from B12-deficient mothers and the elderly are at particular risk of B12 deficiency

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Lifestyle modifications: Addressing modifiable risk factors is crucial and may improve erectile function independently or enhance response to medication: Weight loss in overweight or obese men Regular physical activity (150 minutes of moderate-intensity exercise weekly) Smoking cessation (smoking damages blood vessels and significantly worsens ED) Alcohol moderation (excessive alcohol impairs erectile function) Optimising management of diabetes, hypertension, and hyperlipidaemia Psychological interventions: Cognitive behavioural therapy (CBT) or psychosexual counselling may benefit men where psychological factors contribute to ED, particularly performance anxiety or relationship difficulties

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