Obesity is not only important due to its high prevalence, but also on being a multi-systemic disease.
At endocrine level, the most common diseases associated with obesity are intolerance to carbohydrates and type 2 diabetes. It also forms part of the polycystic ovary syndrome, is associated with infertility, and with complications during pregnancy and childbirth.
At circulatory system level, obesity is associated with arterial hypertension, dyslipidaemia, ischaemic heart disease, heart failure, and venous insufficiency.
At gastrointestinal level, it is associated with gastroesophageal reflux disease and cholelithiasis (gallstones).
At neurological level, with cerebrovascular accidents, dementia, and endocranial hypertension.
At dermatological level, it is associated with acanthosis nigricans (skin becomes thick or dark), intertrigo (skin folds disease due to friction or friction), cellulitis and hirsutism.
At respiratory level, with sleep apnoea syndrome and with respiratory problems during the induction of anaesthesia.