BMI is gaining a lot of importance these days because many people have realized that the right BMI is necessary to stay healthy, slim and fit. So what is BMI?
What is BMI?
BMI or Body Mass Index is the tool used to measure your weight relative to height. It is a ratio between your height and weight. BMI is intended to show the amount of fat you have in your body and the amount of fat you have to lose to remain fit.
What Is BMI, How Is BMI Calculated?
BMI is calculated by dividing your weight in pounds by your height in inches squared and multiplying the result by 703. The formula is:
(Weight in pounds/ (height in inches x height in inches)) x 703.
When BMI is calculated in metric terms, the formula is
Weight in kilograms/ (height in meters x height in meters)
What Does BMI Indicate?
If your BMI is below 18.5 you are considered to be underweight.
If your BMI is from 18.5 to 25, you have a healthy or normal weight.
If your BMI ranges from 25 to 30, you are considered overweight.
If your BMI is above 30, but below 35, you fall into obesity class 1 category.
If your BMI is from 35-40, you are in the category of obesity class 2.
If your BMI is above 40, you are morbidly obese.
Check out your BMI with a BMI calculator.
Why Is It Important To Maintain Normal BMI?
When you have high BMI, the risks of developing the following diseases are increased.
- Cardiovascular diseases
- High cholesterol
- Type 2 diabetes
- Gall bladder problems
- Infertility in women
- GERD and
- Urinary incontinence etc.
A low BMI may cause the following side effects.
- Heart failure
- Anemia and
- Weakened immunity
What Are The Causes For High BMI?
The percentage of people with high BMI is increasing steadily. High BMI can be caused by unhealthy habits that include:
- Eating unhealthy and high calorie foods
- Eating larger portions of food
- Lack of physical exercise
- Sedentary lifestyle
In some cases high BMI can be caused by health problems such as hypothyroidism and medications like antidepressants and birth control pills.
Low BMI may be caused due to eating disorders and medical problems.
How To Improve BMI?
Basically to lower BMI you need to lose weight, and to increase BMI you need to gain weight.
For weight loss methods, check out the various weight loss tips on this website, such as:
- Avoid drinking soda
- Reduce restaurant meals
- Reduce sugar
- Create an exercise routine
- Build muscle
Is BMI Reliable?
BMI has its own limitations. A body builder weighs more, but it does not mean that he has a high fat ratio. He has higher BMI because of his muscle mass and not fat. So BMI is not completely reliable to estimate body fat in every individual. However for the average person, BMI is an easy way to see where you generally are, in terms of obesity.