Results: The prevalence of skin diseases was 88%, including striae distensae 70%, plantar hyperkeratosis 30%, acanthosis nigricans 24%, skin tags 18%, melasma 18%, intertrigo 12%... A higher prevalence of plantar hyperkeratosis (p=0.01), acanthosis nigricans (p<0.001), intertrigo (p<0.001) and more severe degree of quantitative scale for acanthosis nigricans (p<0.001) was observed in the higher BMI group.