More and more people worldwide have to deal with obesity these days. This is increase in obesity is probably caused by a change in behaviour of food and beverage consumption. Nowadays, we eat and drink faster and more, because of the fact that we can eat and drink everywhere, anytime. Vending machines, fast food restaurants, take away restaurants, etc. are all examples of the fact that food is everywhere. We also have less time to eat together with our family members and make time for healthy cooking, many people buy ready-made or instant products.
             Obesity is not only caused by consumption of an increased amount of calories, but also by a decreased amount of body-exercise, physical activity and sports. People have more and more desk jobs, less time to join a sports club, children play more on their computer instead of outside, more than 80% of the parents bring their children to school by car, etc.
             Experts agreed upon the cause of obesity, a combination of what is stated above; a chronicle imbalance between the number of calories consumed and the number of calories used.. People gain more weight if they eat more calories than they burn. Some people are in action a whole day, so that their metabolism is running at full capacity. Others sit at a desk to work, take the car for every movement and like to watch TV at night, they are less lucky. We will have to make important choices: eat healthier, do more exercise or a little bit of both of them. The main problem is that our energy equilibrium is off-balance!
             A measurement for overweight that is used worldwide is the BMI , when this ratio is between 25 and 29.9, we talk of overweight and if it is more than 30, we talk of obesity. At this moment, there are an estimated 300 million obese adults worldwide (BMI>30), up from 200 million in 1995. 700 million more are overweight (25