How does fat harm us?

Overweight and obesity are the result of an imbalance between what we eat and the physical activity we do. Typically, to diagnose overweight or obesity, a person's height and weight are measured and, from this data, their body mass index is calculated. To calculate the body mass index, you have to divide the weight in kilograms by the height in meters squared. The World Health Organization (WHO) indicates that a person is overweight when the bod…