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Obese men have increased risk for erectile dysfunction compared with normal-weight men. Researchers in Italy studied the effects of a lifestyle intervention in 110 obese men (body-mass index, ≥30 kg/m2; age range, 35-55) with low scores for erectile function on a standard questionnaire. None had diabetes, hypertension, or hyperlipidemia. Subjects were randomized to receive either general lifestyle information (control) or an intervention involving caloric and activity goals, counseling, and about 18 sessions with a dietician and trainer during 2 years.
At 2 years, the intervention group -- but not the controls -- showed significant improvements in mean BMI (from 37 to 31), interleukin-6 levels, and C-reactive protein (CRP) levels. Mean physi…