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what is obesity?

Weight of a person mainly depends on the height. If the height is more the weight will also be more. Different kinds of charts are available to know the ideal body weight. Which varies from country to country. For the gents and for the ladies the charts vary.

They also allow the weight for a particular range. Which also vary. Then there may be charts for the small, medium and large frame people. This not only confuses people, but many obese persons only try to follow the charts where he has a big range.

what is obesity?

Obesity - A Condition or a Disease?

I would like to people to follow one simple and the most scientifically approved formula "BODY MASS INDEX (BMI). This is a single formula and do not need a cart. Only one has to know his or her weight in kg, height in mtr or cntr and use a simple calculator to know your BMI. it can be calculated as the weight in kg divided by the sqr of the height in mtr.

Body Mass Index = Weight in kg/(Height in mtr)2

If the BMI is less, your weight is less and the more the BMI the more is your weight.

Obesity can lead to certain types of cancer health problems such as diabetes, heart disease, high blood pressure, stroke, sleep apnea. This can also affect a person’s quality of life, as it can cause emotional distress by limiting their ability to engage in physical activities.

Genetics, lifestyle choices, and environmental factors can contribute to obesity. Some of the main risk factors for obesity are poor diet, lack of physical exercise and a family history of obesity.

Classification of obesity: Are you in it?

There are two ways in which obesity can we classified One is according to the weight and other one according to the cause of weight gain.

1. Overweight obesity: These people have Body Mass Index more then 25 but less than 29.9. Overweight does not affect their health, they lead normal health and life expectancy is normal.

2. Grade II obesity: The BMI is between 30-39.9. These patients should be treated by doctors and dietitians. Although they appear to be in good health, they have reduced tolerance to exercise with shortness of breath on exertion and they are unduly fatigued.

These is due to the burden of increased weight they always carry and also due to compromised circulatory and respiratory systems by internal fat mass and fatty infiltration of muscle.

For mechanical and metabolic reasons, these patients are at increased risk of diabetes, hypertension, fatty liver, gall bladder, disease, osteoarthritis, hernias and varicose veins. Mortality rate also increases.

3. Grade III obesity: The BMI is above 40. These patients are in pathetic condition. Their day-to-day activities are restricted due to their enormous mass and are more susceptible to diseases mentioned in grade II. They are more prone to accidents and serious psychological disturbances.

4. Grade I obesity: A person who has excess body fat that has built up to the point where it could be harmful to their health is said to have Grade I obesity. Having a body mass index (BMI) between 30 and 34.9 is the standard definition.

A number of health issues, such as type 2 diabetes, high blood pressure, heart disease, stroke, sleep apnea, and specific types of cancer, are more common in people with Grade I obesity. Additionally, their mobility and quality of life may both decline.

Multiple factors, such as a diet high in calories and saturated fats, physical inactivity, certain medications, and genetic predisposition, can contribute to Grade I obesity. Grade I obesity is typically treated with lifestyle modifications like better eating habits and more exercise. To help manage the condition, doctors may occasionally advise taking medication or having weight-loss surgery.

5. Underweight obesity: A medical condition known as underweight occurs when a person's body weight is lower than what is normal for their age, height, and sex. A body mass index (BMI) of less than 18.5 is the standard definition.

A person's health may suffer as a result of being underweight, including a weakened immune system, anemia, osteoporosis, and reduced muscle mass. Additionally, it may interfere with a person's capacity to regulate body temperature, making them more vulnerable to illnesses and infections.

Genetics, illnesses like hyperthyroidism or celiac disease, eating disorders, and some medications can all contribute to underweight. Changes in eating and exercise routines, management of underlying medical conditions, and counseling to address any underlying psychological issues with eating and body image may all be part of the treatment for underweight people.

6. Normal weight obesity: According to a person's height, age, and sex, a healthy body weight range is referred to as normal weight. Typically, it is characterized as having a body mass index (BMI) of 18.5 to 24.9.

Generally speaking, being within the normal weight range is linked to a lower risk of health issues like heart disease, type 2 diabetes, and particular types of cancer. The BMI does not account for variables like muscle mass, bone density, and body composition, so it may not always accurately reflect body fat percentage or general health.

It is advised to eat a healthy, balanced diet, move around frequently, and get enough rest in order to maintain a normal weight. Additionally, it's critical to refrain from smoking and consuming large amounts of alcohol because these behaviors can harm general health.

Other methods for obesity assessments:

  • Body weight: If a man more then 10% (15% for women) standard weight, he is obese.
  • Boca index: Ht. (cm) minus 100. For example If persons height is 160 cm then ideal weight is 60 kg.
  • Measurement of body fat : Skin fold callipers are used to measure total body subcutaneous tissue.
  • Waist to hip ratio: >0.85 (females) and 1.0 males is associated with obesity.
  • Obesity can also be classified as: 
                                                       a) Exogenous: It is caused by excessive energy intake.

                                                       b) Endogenous: It is caused by inherent metabolic                                                                                                  problem that promoted obesity.

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