What causes insulin resistance or metabolic syndrome?

Factors that have been shown to cause or contribute to metabolic syndrome or insulin resistance include:

  • Poor diet
  • Being overweight
  • Lack of exercise/physical activity
  • Sleep apnea
  • Hormonal changes such as pregnancy, peri-menopause, menopause and andropause (male menopause)
  • Some medicine including steroids and antidepressants
  • Some medical conditions such as Cushing’s and Polycystic Ovarian Syndrome (PCOS)
  • Vitamin and mineral deficiencies