Comparing Effects of Diet, With or Without Exercise, on Sexual, Urinary and Endothelial Function, Inflammatory Profile and Quality of Life in Obese Men

Inclusion Criteria: * Male, aged 30-65 years * Body Mass Index (BMI) \>/= 27.5 kg/m2 * Waist circumference (WC) \>/= 90 cm Exclusion Criteria: * pituitary disease or cranial radiotherapy * previous or current androgen replacement or deprivation therapy * current treatment for sexual problems or LUTS * glomerular filtration rate \< 60 ml/min * liver disease * alcohol intake exceeding 500 g/week in the previous 12 months * use of opiates, glucocorticoids, recreational drugs or phosphodiesterase inhibitors