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Crash dieting is shocking your body with a sudden low-energy food regime often appears to be working after just a few days. There's a rapid weight loss, making it look like the plan is working. At this point, you haven't actually lost any fat; all that's happened is that you've used up the body's limited store of glycogen. As you use up the glycogen, your body loses water with it, so you appear to be losing weight very quickly. Besides water, what you will use up is your muscle mass then fat. Losing muscle mass means that you messes up your metabolism.
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During having crash dieting, the body system have well honed strategies to cope with starvation. When the body is starved, it efficiently stores whatever fat is available. If weight drops quickly the body responds by conserving any calories provided. Metabolism slows gradually in order to serve energy.
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Worse than this when normal eating returns the body continues to conserve energy and store fat resulting in weight increase (as fat) – usually more than when you started and leaves you with more fat and less protein than you started off with. This leaves you feeling even more out of shape than before, this is called “yo-yo effect”. Yo-yo dieting not only messes up your metabolism, and may even raise the levels of harmful cholesterol in the blood, increasing your risk of arterial disease and heart problems |
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| 1.Diuretics
Slimming pills that contain diuretics stimulate water-loss. Diuretics are potentially harmful as they increase potassium losses as well as water-loss. Potassium depletion can lead to muscle weakness and mental confusion. |
2.Laxatives
Laxatives stimulate the digestive system and can cause severe diarrhoea. Harsh laxatives tend to destroy normal peristalsis (movement of the bowel) and taking harsh laxatives over a long period of time leads to the inability to produce normal stools. |
3. Appetite Depressant Pill
An appetite depressant is Amphetamine-type slimming pill. This type of pills is popular 30 to 40 years ago, but it took some time for doctors to realize that they can be addictive and harmful. It can dampen appetite and increase alertness. The ones who take this pill may cause you sensibly nervous or even loss memory. |
4. Raising Metabolic Rate Pills
Slimming pills which claim to burn fat by raising the metabolic rate. The extract certainly speeds up the heart rate but it can also cause blood vessels to constrict, raising blood pressure. It can dampen appetite and increase alertness, but, like caffeine, can induce insomnia and the jitters. |
1. Physical... You are at risk of not getting enough vitamins and minerals to stay healthy if you severely restrict your food intake or use slimming pills. |
2. Psychological problem ... Often there are huge emotional costs, a low sense of accomplishment and depressed self esteem. |
3. Yo-yo effect
...Weight often goes back on as fat, leaving you with more fat and less protein than you started off with, which leaves you feeling even more out of shape than before, and can start off a vicious circle of yo-yo dieting. Yo-yo dieting messes up your metabolism. |
The idea of taking these diet pills must be weighed against the disadvantages. Prescription diet pills have the potential to cause serious and sometimes even life-threatening side-effects. |
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Some people do a vigorous over-exercise in order to get slim rapidly. Almost of these people finally give up because it is very tiring and it is not sensible to get the expected result in short period. Vigorous, over-exercise drops our blood sugar level then they feel very hungry and they will eat a lot more. They possibly feel guilty after they over-eat after exercise |
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For elders and people with physical limitations, vigorous exercise is not possible for getting slim or losing weight.
For those with strong intention who want to get slim very fast, some of them have crash dieting with vigorous over-exercise. The result is losing weight while looks haggard because of insufficient nutrients and over-exercise or they would suffer muscle or joints pain. |
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