Why is it so hard to throw a few kilos – and why do you take it all over again after your cure? Why can your girlfriend eat without getting bigger when you can not? And does the last five kilos mean anything for your health?

What’s happening in your body when you are overweight?

Oily tissue produces the signal leptin that regulates your appetite and hunger. However, in very overweight, the mechanism does not always work. The overweight can lead to leptin resistance, where the body only reacts lessor does not respond to the substance and thus lacks a significant appetite regulator. Obesity is not dangerous in itself. You do not die of the actual overweight; it is the compulsive diseases such as diabetes, cancer and cardiovascular disease that can kill. But there is a connection: In severe obesity, you have significantly increased the risk of developing cancer and 2-3 times the risk of cardiovascular disease. Joint pain and less mobility are also far more common among obese. Having said that, you can plainly be healthier than overweight with reasonable diet and exercise habits than a thin and inactive normal weight who may even smoke. So the weight tells a lot about everything about your health. How dangerous your overweight is for your health also depends on where your body is. Fat around your bones and organs is more harmful than fat on the back and thighs. The so-called apple form with fat depot around the stomach is thus much more critical to your health and life than the classic pear form that women especially know.

When do you lose?

The body is very sensitive to fat that disappears. It is programmed by nature to reduce weight loss and it does what it can to avoid it. It is the fatty tissue that forms the appetite-regulating leptin and when it disappears, smaller amounts are produced than otherwise. This means that you alone become hungrier because of the weight loss. Ghrelin is another hunger hormone that also helps regulate your appetite. It is emitted from the stomach and intestines a few hours after you have eaten. In addition, it also produces increasing amounts when you lose weight. In a weight loss process you will constantly have elevated amounts of ghrelin in your body, so you constantly feel hungry. It can take up to a year; even if you hold weight loss before the ghrelin level drops again.

When you’ve lost you?

There are different perceptions of whether a weight loss should be done quickly or gradually over a longer period of time to be most durable. A fast weight loss can be motivating and self-reinforcing. The gradual weight loss can be easier to cope with but requires patience. Research suggests that rapid weight loss tends to last the long term (yes, you read correctly). But regardless of whether you get the weight down in one way or another, maintenance requires a lifelong focus. The weight loss itself is not the hardest part of a weight loss project. The hard work lies in keeping the weight on the new level ahead. This is where it really becomes difficult for many because the body always wants to return to the previous weight. It will remember your highest weight as its ideal and with the help of hormones try to get you back there.

If your weight turns up and down?

The so-called your weight is a classic, just because it’s so hard to keep a weight loss. You have a lot of focus on the weight loss and achieving it too quickly. On the other hand, you forget that the match has just begun. Then you’ll be back at home fairly quickly and have to start over again And again. Taking weight between weights reduces the fact that your body will fight against your new lower weight at all times. It is also likely that your diet and exercise habits are not really followed – or you are not realistic about the weight you and your body think you should have. Therefore, find out what to turn on and match your expectations and your lifestyle so that it all matches. If you already eat healthily and exercise, the last five kilos may just be allowed to stay where they are? Maybe it’s really there,

If you exercise?

Exercise burns calories and can theoretically generate a weight loss. Increased muscle mass means that the body can burn more. In practice, however, you may eat more when exercising, either because you really need more energy or because you are in the impression that you are in need and allow you to add a little extra on the bet. But if you control your calorie intake, exercise is, of course, a great way to keep a healthy weight and to maintain any weight loss. Exercise is healthy and good regardless of size. In fact, inactivity is in isolation a far greater killer than overweight is.

If you are “heavily built“?

Everyone is built differently. Someone has long legs and slender characters from nature’s hand. Other of us not so much Generation plays a big part in your weight and BMI: 50 percent is hereditary. The remaining 50 percent is about lifestyle. With will and attention, weight loss can be made for most of us. Maintaining weight loss is the hard part!

if you take more than your girlfriend, even if you eat the same?

Probably, that’s not the case. For one calorie is always one calorie, no matter who eats it. Your girlfriend hardly eats the day without wearing while weighing a few kilos more after each trip past the faucet. It’s quite safe, rather than you’re eating more than you’re just wondering. We all have a tendency to forget how much it really happens during a day. Perhaps it’s the midday meals you’re displacing, the night food or the liquid calories that sneak down, almost without you discovering it (and most often without eating)? Perhaps your friend burns more because she not only does exercise but is also more active in her everyday life; take the stairs, get up, travel and sit more. It is true in the very small things that the whole difference lays. However, you may have right so far, that your hunger hormone may shout more of you than your friend’s shouting from her. Perhaps you must fight more with hunger than she should. Perhaps that’s why she’s easier to pay for one serving from the lunch buffet and does not need the evening snack you just have to have. The urge to eat may be very different – but the calories you end up eating federally exactly both of you.

With the age

Many women take on and get more fatty tissue with age, often especially around the waist. This may be due to lifestyle changes – which you move less, eat differently, take medicine or sleepless. But it is also an entirely natural process that is associated with the fact that hormone balance changes around menopause and that combustion is reduced. It’s nature’s way to help you maintain fat depots because it’s not healthy for older people to be too slim. Therefore, it requires greater effort to keep the weight, the older you stay and especially around and after menopause, women can face challenges on this front.


What weight and BMI that is right for you depend on what your focus is on? If it is about pure mortality, you should aim for a BMI below 25 – but at least 18.5, the limit for when you are normal and underweight. You have the lowest mortality. If you are focusing on avoiding diabetes, reduce it to 23 to minimize risk.

Generally speaking, you should be more interested in how fat is on your body than exactly how much it is and what you weighed. Fat on thighs and hindquarters (pear form) is not hazardous to your health. It is, on the other hand, if it sits on your stomach and hence your intestines and organs (apple shape).

Also, focus on the development. Not so much, if you weigh 60 or 65 or 72 if your BMI is 23, 23.7 or 25.5. More about the numbers changes For half a kilo hits and pits may well be a part of a number of years and it can lead to a decline in quality of life.


If you want to lose weight, the easiest way is to look at the diet and eat less. If on the other hand, your focus is mostly healthy, you must start the exercise. Of course, you can achieve the healthiest and fastest results if you do both at the same time.


(Human Biologist, PhD) is a lecturer at the Biomedical Institute and affiliated with the Novo Nor disk Foundation for Basic Metabolic Research at the University of Copenhagen. Has been researching obesity and weight loss maintenance since 2003 and has just received the prestigious Anders Jahre Prize for younger researchers for his obesity research.

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