Showing posts with label body mass index (bmi). Show all posts
Showing posts with label body mass index (bmi). Show all posts

Thursday, 16 August 2012

Can What You Eat Make You Age Faster?

Junk food

It's Saturday morning. Dad just came back from his morning workout. The kids are playing in the family room. Mom is in the kitchen making her traditional weekend breakfast. The smell of pancakes, bacon, and sausage fills the air. The table is set, complete with butter, syrup and orange juice. The family sits down to enjoy the feast, eats until they are about to burst, then goes on with the rest of the morning. Later in the afternoon, the kids have a soccer game at the local rec center. It's hot out, and during the breaks in the game, the kids gulp down various flavors of sports drinks. After the game, the team celebrates their victory with ice cream at their favorite parlor. As dinner approaches, mom and dad are tired from a long day of activity, so they drive through a fast food place for a burger and soda. Later in the evening, as bedtime approaches, mom and dad relax with a glass of wine and reflect on the day. Lots of family time, plenty of activity, and as they describe it, "We ate pretty healthy today. We had a good breakfast, didn't have time for lunch, and had a burger at the fast food joint. While the burger wasn't great for us, we kept so busy that it balanced out in the end."

Does this sound at all familiar? For many families, this is a typical weekend experience. But what if this lifestyle is slowly killing us, and the foods we are eating are making us age faster? While we may be getting plenty of activity and exercise, our diet may be wiping out all of the effort we put into trying to be healthy. How are the foods we eat making us age faster? Let's check it out.

There are four culprits that can make us age faster: Sugar, in the form of high fructose corn syrup, trans fats, phosphates, and alcohol.

Sugar

Sugar, in the form of high fructose corn syrup, is the largest source of calories for Americans. It is found in many everyday items, such as soda, sports drinks, fruit juices, refined carbs, and processed foods. Over the last 300 years, sugar consumption has increased dramatically. In 1700, the average person consumed 4 pounds of sugar per year. In 2009, more than 50 percent of all Americans consumed 180 pounds of sugar per year. That's an increase of 4400 percent! Why is high fructose corn syrup bad for us, and why does it make us age faster? When we eat high fructose corn syrup, it causes our blood sugar to increase. An increase in blood sugar triggers an insulin response. High insulin levels put the immune system on alert. The immune system responds by increasing inflammatory cells, which can result in low-level inflammation throughout the body. This type of chronic inflammation speeds up the aging process and can contribute to conditions such as high blood pressure, heart attack, stroke, diabetes, and cancers. So when the family sat down to eat their pancake breakfast, and had a treat after the soccer game, they were taking in plenty of sugar from the pancakes, syrup, orange juice, and ice cream. Ouch!


Trans Fats and Phosphates

Trans Fats, found in processed meats and refined carbs, produce LDLs, and LDLs contribute to inflammation in the arteries. Processed meats and refined carbs also contain phosphates, which accelerate the aging process. When our storied family had bacon and sausage with their pancakes at breakfast, and then a fast food burger at dinner, they were loading up on trans fats and phosphates. Double ouch!

Alcohol

Alcohol, such as a glass of wine, dilates or breaks blood vessels in the face. Over time, this will cause wrinkles and make the skin look older. Triple ouch!

Conclusion

Despite our best intentions to stay healthy and young, our diet can often sabotage our efforts, and speed up the aging process. Should we just give up all the good stuff we love? No. Avoiding those foods forever is not realistic. The best course of action is to be aware of the foods we eat, and eat those not-so-good foods in moderation. Enjoy a diet of fruits, vegetables, leanmeats, and whole foods. Enjoy pancakes, ice cream, or a glass of wine on special occasions. Just remember to make it the exception, rather than the rule!

Steve Miller is a health writer for http://assistedlivingtoday.com/, a leading source of information on a range of topics related to elderly care and assisted living.


Thursday, 19 July 2012

Advantages Of Body Mass Index (BMI) Calculator


BMI_Body Mass Index Calculator
Having the knowledge of how much you weigh and maintaining it is not enough in keeping fit. In fact what really matters is to know how much you weigh in accordance with your height. Knowing that your health is sound is only half the battle because there are other important factors to fully live an optimal life. 

Nevertheless, it is crucial to be aware of the ratio of your height and weight, and it requires a tedious mathematical equation. Thankfully, there are programs that feature online calculators. 
These online calculators automatically calculate BMI; all you need to do is to input your weight and height.
Your BMI gives you an estimate of whether or not your weight is proportionate to your height. To calculate your BMI you need to know your weight in pounds and height in feet, then multiply your weight by 4.88 and divide it by your height squared. As it is a somewhat complicated mathematical equation there are BMI online calculators you can use. Aside from programs on the web that automatically calculate BMI, another option for knowing your BMI is through a BMI chart; this is basically a height/weight chart. Here, the weight is on the horizontal axis while height is on the vertical axis and all you need to do is to connect the line between your height and weight.
A BMI calculator shows whether you are underweight, normal, overweight, or obese. Keep in mind, though, that it is a rough estimate of the ratio of your weight and height. Although the BMI is considered a body fat calculator, at times people who are muscular are not able to properly gauge their body fat. The reason behind this is that muscle weight is heavier than fat. Therefore, they may weigh more for their height, but it is muscle weight and not fat at all. Nonetheless, for those who are barely active, the BMI calculator is a great tool in gauging their body fat.
In addition, men usually have more muscle than women and women have more fat in their body than men. For this reason, women should have their weight and height ratio calculated through a BMI calculator for women.
All things considered, the BMI test is still a very important tool in determining body fat in a normal person living a sedentary lifestyle or for those who are not exercising. The BMI generally gives an overview without the use of sophisticated tests and expensive pieces of equipment.


Weight and Body Mass Index (BMI)

Body mass index chart

Weight and health are directly related. Overweight and obese people tend to suffer from more health problems than those with a healthy weight. But what is a healthy weight, and how do you figure out what yours should be?
Body Mass Index (BMI)
Body Mass Index is a tool that tells doctors the amount of body fat a person is carrying. BMI is calculated based on two factors: weight and height, measuring a person's pounds versus their height (in inches). A six foot tall person weighing 175 pounds will have a different BMI than a 175 pound five-foot-four- inch tall person. BMI is a quick way to figure out whether an individual falls within a normal body fat range.
The Body Mass Index - What Does the Number Mean?
BMI helps doctors understand whether a patient is at a normal weight or whether they are overweight or even obese. A BMI below 18.5 indicates that a person is underweight. BMIs between 18.5 and 24.9 are considered normal, while the 25.0 - 29.9 range indicates a person is overweight. BMIs over 30.0 indicate a person is obese.
Calculating BMI
Use this formula to calculate BMI:
BMI = (weight in pounds X 703) / (height in inches X height in inches)
For example, someone who stands five foot ten inches tall and weighs 192 pounds would calculate their BMI like this:
192 pounds X 703 = 134,976.
Five foot ten inches (60 inches) X 60 inches = 4,900.
134,976 divided by 4,900 = a BMI rounded off to 27.5
And if math isn't your strong suit, there are also many BMI calculators available online.
Is the BMI accurate?
It's important to remember than the BMI is a general tool. Many factors can influence a person's BMI, including body type, age, gender and the presence of muscle. Remember, muscle weighs more than fat, so it can influence a person's BMI - especially among well-conditioned athletes. People of stocky build may also find BMI to be inaccurate measure. That is why it's so important for people to speak with their doctor about their weight, especially if they are experiencing weight gains and losses, which could indicate other health conditions.
It's important to watch your weight in order to maintain good health, and BMI is a tool that allows us all to quickly get a handle on where our respective weights should be.


Calculate Your BMI (Body Mass Index)


Your body mass index (BMI) is a quick way to figure out if your weight is on track for your height.
Your BMI is very simple to calculate but should be used as a guideline for healthy weight only. Because muscle weighs more than fat, weight and your BMI are not the only determination of your level of health.
The BMI Formula
To calculate your BMI, simply complete the following steps. All you need is yourself, your accurate height, a scale and a calculator.
BMI_Body Mass IndexFirst, weigh yourself. If you normally weigh yourself once during the day at a specific time you are going to do things a little bit differently this time. You need to weigh yourself in the morning before you eat or drink (because food and liquids can affect your body weight.) Weigh yourself three times and then take an average of those weights to get an accurate figure.


Next, you need to convert your height into inches and then square that figure. For example, if you are 5'5" your height in inches would be 65 inches. Square that number (65X65) and then divide your weight in pounds by that figure. If you are 5 feet, 5 inches tall and weigh 165 pounds, your ending number would be .03905.
The next step is to take that number and multiply it by 703 (see why you need a calculator!) This step will convert the pounds and inches into the metric system. In our example, .03905 multiplied by 703 is 27.45. This figure is your BMI and it falls within one of four categories: underweight, normal range, overweight or obese. Underweight is 18.5 and below, 18.5 to 24.9 is normal, 25.0 and 29.9 is overweight and 30 and over is obese.
BMI for Children and Teens
All adults over 20 years of age can use the BMI ranges above. BMI for children and teens is calculated the same way that it is for adults, but the values are not classified the same way. Instead of charts with clearly defined values for overweight and underweight, children are compared with other children of the same age and sex.
If the BMI-for-age is less than the 5th percentile the child is underweight; If the BMI-for-age is between the 85th and 95th percentile, the child is at risk for becoming overweight; If the BMI-for-age is in the 95th percentile, the child is classified as overweight.
Here's a BMI calculator for children and teens that will determine both the BMI and the the child's BMI percentile: (pediatrics.about.com/cs/usefultools/l/bl_bmi_calc.htm).
Keep in mind that a BMI is only a screening tool that is used by doctors and healthcare professionals to categorize your weight. There may be other factors that contribute to your high or low number that have nothing to do with your weight, such as a long-term illness that produces an underweight BMI or lots of muscle mass that produces a high BMI.
Once you determine your BMI, you should check with your doctor if you are outside of the normal range. Your doctor can provide you with solutions to help you either gain or lose weight when needed. You should not undergo any weight loss or weight gain program without first consulting your doctor, who can offer additional testing and nutritional counselling to help you meet your goals.


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