Inflammation of the peritoneum is called peritonitis. The inflammation is caused by a fungal or bacterial infection, usually due to an injury to your abdomen, an underlying medical condition, or a treatment device, such as a dialysis catheter or feeding tube.
Obesity is common, serious and costly. More than one-third of U.S. adults (34.9% or 78.6 million) are obese. Adult Obesity Facts.
Overweight and obesity are defined as abnormal or excessive fat accumulation that may impair health. Body mass index (BMI) is a simple index of weight-for-height that is commonly used to classify overweight and obesity in adults.It is defined as a person's weight in kilograms divided by the square of his height in meters (kg/m2). The WHO definition is: 1  a BMI greater than or equal to 25 is overweight. Of these over 600 million were obese. 2  39% of adults aged 18 years and over were overweight in 2014, and 13% were obese. 3  Most of the world's population live in countries where overweight and obesity kills more people than underweight. 4  42 million children under the age of 5 were overweight or obese in 2013.