Traditionally, body fat was thought to be stored passively in cells, waiting to be used for energy by the body. However, research has shown that fat cells are biologically active and function as an endocrine organ by secreting hormones and other molecules. The activity of visceral fat results in an inflammatory state that is strongly linked to metabolic disease, insulin resistance, and an increased risk of death, even in men at normal body weight.

Calorie for calorie, sugar is different to other food groups such as protein, complex carbohydrates, and fat, because it confuses your normal appetite controls and causes your body to produce fat. Refined sugars are often hidden in a plethora of different products that you wouldn't expect such as fruit juices. Make sure to check the labels before eating the products. 
First one’s the Adrenal belly or Adrenal shape, caused by increased levels of cortisol. When going through stressful periods, the production of cortisol increases, and this favours the accumulation of fat around the waist, leading to a saggy abdomen. Both men and women are likely to gain weight around the waist if they are constantly exposed to high levels of stress, and besides the excess belly fat, they are also likely to experience fatigue, back pain, nervousness, poor memory and sleep problems.
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