Though one of the most popular tools used today to determine whether someone is at a healthy weight or not is the BMI, body fat and lean muscle tissue don’t figure into the equation. This has led many experts to discount BMI as an archaic measurement that isn’t accurate for many people. What is BMI, and why is it a good measure for some, maybe, and completely wrong for others?

BMI, or body mass index, was created in the early 1800s by Adolphe Quetelet. Because of that, it’s sometimes called the Quetelet index. It’s nothing more than a way of comparing a person’s weight to his or her height, and determining if his or her weight falls into a healthy and normal range. The BMI is still used today pretty much as it was when Quetelet invented it.

The formula for figuring BMI (body fat, bone and frame size, muscle and body type aren’t included in that) is this: Take your height in meters squared (your height times itself) and divide your weight in kilograms by that number. For example, if I’m 5 feet tall, that’s about 1.5 meters. To square that number, take 1.5 times 1.5. The result of that is 2.5. So if I weigh 120 pounds, that’s about 54.5 kilograms. Divide 54.5 by 2.5 and I get 21.8 as my BMI. The normal weight range is from 18.5 to 24.9, so 21.8 is classified as a normal weight. Underweight is considered 18.5 and below, while overweight people will calculate a BMI of 25 to 29.9. A BMI of 30 or greater indicates obesity.

BMI, body fat and general health can all be used as signs of how fit a person is. But where general health is pretty self-explanatory and the percentage of body fat clearly shows whether a person gets enough exercise or not, BMI is a bit trickier.

People with a lot of muscle don’t show accurate BMI readings. Because muscle weighs so much heaver than fat but takes up less space, a relatively small statured person can carry a lot of muscle weight without looking huge. BMI doesn’t take that into account. Football players, professional wrestlers, bodybuilders, and virtually any athlete who has a lot of muscle is going to measure as overweight and even obese according to the BMI. So it’s not accurate for them. Is it accurate for everyone else?

The answer to that is yes, and no. It depends on you. The BMI typically doesn’t show an accurate result for children. And extremely tall or large-framed people will show overweight or obese classifications more easily because of the extra weight from their bones and muscles. So for very short, tall or muscular people, the BMI appears to not be a good tool.

There’s also no distinguishing between men and women in the BMI. Body fat is more natural for women who are supposed to have more than men, so some sort of distinction in the measurement of the sexes would help the BMI’s accuracy

Carb Pills How to Have Carbohydrates On the Adkins or South Beach Diet

If you are trying to go on a low carbohydrate diet such as the Adkins Weight Loss Plan or the South Beach Diet and find that you have trouble reducing your carbs, you may want to try anti carb pills. These are not actually medicinal products but rather dietary supplements made from all natural ingredients not chemical blends.

The reason carb smart diets such as Adkins and South Beach stay alive despite all of the negative media publicity is that they work. But, too many people find that they have trouble minimizing the amount of carbohydrates they consume for a long period of time. That is where the carb pills come in.

While more recent variations of the low carb diets have allowed more carbohydrates in the form of whole grains, it is still tempting to have a cookie from time to time. The carb pills absorb excess carbohydrates in the diet by blocking the carbohydrates consumed from being absorbed in the body.

One of the carb blocking ingredients in the pills is made from white bean extract. They are 100 percent natural and safe to consume.

It is best to take a carb blocking pill right before eating a carb heavy food or meal. They can also be taken during or after the meal, but this has a reduced effectiveness.

Here is how the carb pills work on the body. Fat accumulates in the body when carbohydrates are broken down by alpha amylase, which is an enzyme produced in the pancreas. When you exert yourself through exercise or daily energy, these carbs are burned off. However, if you take in more carbs than you burn, you will store the excess as fat.

Carb pills prevent the fat by preventing the excess calories from being converted through blocking the digestive enzymes from acting on them. This means that the major portion of the carbs are passed through the system without being absorbed.

So, do carb pills work? The scientific community has not really taken up this question because the major pharmaceutical companies fund most of the research. As the carb pills are not produced by these pharmaceutical firms, researchers have not found it worth their while to independently evaluate the pills.

However, the companies which produce carb pills have produced their own studies. They have shown that in the short term at least, the carb blocking pills do in fact keep up to 45 grams of carbohydrates from being absorbed in the system.

There may be some side effects from using the carb blocking pill. These include gastrointestinal distress, heartburn, excessive gas and diarrhea.

The two most common brands of carb pills are Carbo Lock and Ultra Carb. These pills can be expensive a 30 day supply typically retails for $30. If you buy the products in larger quantities, you can often bring the daily cost down.

If you want to have the benefits of a low carb diet but occasionally indulge in carbohydrate rich foods or meals, you might want to consider investing in carb pills which block the carbohydrates in a pasta dinner or piece of chocolate cake from turning into fat.

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