Excess fat cells trigger body-wide inflammation that’s associated with type 2 diabetes, heart disease, high blood pressure, problems with fatty liver, kidney disease, sleep apnea and infertility. Excess weight also damages joints and makes osteoarthritis extra painful. And obesity has been linked to dementia.
There are also emotional repercussions. Obesity can lead to low self-esteem, depression, social withdrawal and may make a person a target of bullying.