Why is it dangerous to lose weight “too quickly”?

Why do the doctors say that it is not healthy or even dangerous to lose weight too quickly? That makes no sense. If you are pregnant, then have the baby, you suddenly can be up to 25 lbs less then you were at the time. That causes no problems.

I think that is a lot of bull. I don’t see why it would not be healthy to lose weight regardless of how quick it is gone.

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13 Responses to “Why is it dangerous to lose weight “too quickly”?”

  1. Master Shake said:

    Most crash diets only drop water weight and little else.. and the SECOND you stop them you get it all back.

  2. tysavage2001 said:

    If you lose weight too quickly .. it can (but not always) .. be hard on your liver and other vital organs. Do everything in moderation. Good Luck! 🙂

  3. Mommyk232 said:

    1. Your quickly reducing the amount of vitamins/nutrients your body is taking in
    2. Your working out more and eating less- your body is using that fuel for the work out and that’s taking more nutrients out of your body
    3. Your losing alot of water and not replacing it- unless you massively increase your water intake
    4. Your taxing your muscles and internal organs more then normal
    5. Your body doesn;t know how to react to this and things shut down.

  4. alibaster_whitesnake said:

    If you drop or gain weight to fast then your heart can adjust to the change. This leads to heart attacks and others. Babies are practically functioning on their own by the time their born so your heart is fine.

  5. Equichick said:

    When you lose weight quickly, it’s mostly water weight. Loosing water causes your electrolytes (salt, potassium, calcium) levels in your body to be thrown off. This can cause your heart to stop beating, thus causing death. This is why it’s dangerous to lose weight too quickly.

    With pregnancy, you can’t compare that weight loss to the weight loss of a regular person. Pregnancy is a special circumstance.

  6. miss_thang_05_05 said:

    Yes… doing that to your body puts it under a lot of stress which can cause even bigger problems… especially if you lose it in the wrong way. Just do regular diet and exercise…. it does work!

  7. Ginkgo said:

    Actually all these people, including the DRUG PUSHERS who got millions of people on the deadly drug Vioxx, are wrong. You are right!!! Some people want to know how much weight per week is safe to lose. Others want to know how much weight they will lose sticking to a certain program. There are lots of people who repeat what they have heard but no reliable sources say that only a certain amount is safe to lose. You can drink too much water, eat too much, exercise too much and fast too long (an MD fasted a fat guy for 8 months and he died). But you can not sleep too much! Why? Because you do not control how much you get only how little you get. You cannot force yourself to sleep if you do not need it.

    So you do not choose how quickly you lose weight. Your body decides that. So only your body knows how much you will lose. It will only allow you to lose what is safe. One guy under an MD’s care lost 180 pounds in a year fasting on weekends. So some lose quickly on a bad weight loss plan and others lose slowly on a great weight loss plan. Make sure to eat foods with nutrients for skin, like omega-3 fatty acids, to avoid loose skin, when you lose weight.

    Good carbs like celery and carrots will never make you fat. Bad carbs like cake will, but you don’t need to know the whole science of glycemic index and load. It is mostly NOT your fault, if you need to lose weight. The way we have been taught to eat is responsible for making obesity the number one health problem in the world (according to Atlantic Monthly magazine) replacing hunger and infectious disease. You need to re-learn how to eat so you can become thin. Not a diet, but diet lifestyle.

    Find out about fastest way to lose weight, gradual ways to lose weight, most effective exercise, good and bad carbs and anti-water. Lose bodyfat and retained water which also makes you a lot fatter (bloated). Links page has gov. BMI calculater to find out just how much overweight you are (teens plug in your age to compare to others your age). Get latest info like American Heart Association does not want you to eat more than 6 ounces daily of meat, fish or poultry. Most important– make sure to read the last “fat loss tip”, first before anything else, to see the number one food that causes Americans to be fat.


  8. damn!!!! I look good as a blonde said:

    it’s alot of bull cuz i loss 80 pounds in like 2 weeks, and i just got out of the hostipal all because my heart was bad, I don’t know wat happened i was fine 5 months ago. who knows.

  9. davega7 said:

    Losing weight too quickly can cause tremendous strain on the heart. Anyone who needs to do it quicker than normal, should absolutely be closely monitored by a doctor to catch potential problems. Fast weight loss can cause heartattacks. When someone is anorexic, GAINING weight too fast can cause heartattacks too. That’s only the effect on one organ, not all of the others. Every organ in your body, including your brain is affected by weight loss and gain.

    The problem with your theory about someone losing huge amounts of weight after pregnancy, is that the weight they lose isn’t all fat and/or muscle. The baby, placenta, amniotic fluid, extra water weight, extra blood volume, etc. etc., are NOT actual weight being lost “off” the body, like fat and/or muscle would be. Not to mention that when a woman is nursing, her body is using up energy to create the milk, which results in more weight being lost. That is a natural thing, not a crash diet.

  10. lil kelvin said:

    because your body will start to cannibalize its self to get the food it needs and you need to have the right chemical balance for your body and mind to work right

  11. hdslmf said:

    you keep asking a lot of questins over losing weight. you seem to be fixated on that. maybe you should get help. and yes it is dangerous because believe it or not your body needs fat for your nervous system and everything else to function properly. most people don’t lose 25 pounds directly after having a child. and losing that weight is different because you have the baby which is added weight and amniotic fluid and sac along with a placentaa that adds additional weight. if you losed weight to guickly it’s like a shock to the body it won’t function correctly. you should speak to a nutritionist if your overweight, and if your not, and your just being vein, go seek help.

  12. rain said:

    many toxins are stored in fat cells. example, if you have ever drunk a hot drink in a styrofoam cup, you have styrene stored in your fat cells. we are bombarded with toxins on a daily basis. many of these are stored in fat cells. if you lose weight too quickly, these toxins are released en masse into your system. this can overload your liver. won’t kill you (unless you have been exposed to some serious toxins!), but it is not good for you either!

    actually there was a really good episode of House, MD in the first season that dealt with this very subject!

  13. ddy'sgrl77 said:

    It’s the truth that it can be dangerous. Your body needs just the right amount of vitimans etc. to function daily. If you make a drastic change to your body it can be harmful. You don’t want to become anemic or diabetic or many other things that can go wrong if you don’t treat your body right. You really need to check with a dietician if your that unsure of the risks of losing weight. Some people look older from losing weight too fast. There are just so many more reasons why to seek professional advice before you consider a diet.


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