There are a number of risk factors that can cause or contribute to erectile dysfunction, including:

  • being overweight or obese
  • illegal drug use
  • use of alcohol
  • use of tobacco
  • lack of exercise
  • heart disease
  • clogged arteries
  • high blood pressure
  • low levels of testosterone
  • some legal medications
  • multiple sclerosis
  • injury to the spinal cord
  • end stage kidney disease
  • Parkinson’s disease
  • mental issues, including depression and high stress levels