There are a number of causes for weight gain and obesity, but the two most prominent ones are consumption of too much food rich in calories and lack of regular or sufficient exercise. When food, mostly carbohydrates that have plenty of calories are consumed, the excess calories get stored as fat throughout the body. The body stores this fat within fat cells that are also referred to as fat tissue. It does this by creating fat cells or enlarging the ones found within the body. This scenario can be altered if one decreases their food intake and consume fewer calories than the ones they burn, or by having frequent exercises to reduce some of the fat stores. If this happens, fat stores shrink together with the waistline.
In brief, the most common cause of obesity is calories that are not burned. Apart from this, other factors may lead to obesity like genetics or inherited fatness, environmental factors, use of some medication like steroids, psychological issues, physical inactivity due to injury among others. Continue reading