Previously, it was thought that male erectile dysfunction was mainly due to psychogenic factors:
• depression (bereavement or loss of interest)
• fear of failure (performance anxiety)
• widower’s syndrome (a new sexual relationship)
• over-stress
Now, medical science has discovered the main causes of erectile dysfunction are more than psychogenic:
• vascular dysfunction (50 percent) - poor arterial inflow, excessive venous outflow or both
• neurologic problems - stroke, multiple sclerosis, spinal cord trauma and tumor, among others
• diabetes (Read my web page Diabetes.)
Systemic disorders, such as renal failure
Medications (all anti-hypertensives), such as antidepressants and H2 blockers
• obesity
• zinc deficiency
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