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  1. 1. BMI
  2. 2. What is a BMI?• Doctors, nurses and other healthcare professionals around the world use BMI to determine whether a person is overweight or clinically obese. The latest statistics, published in the Health Survey of England 2004, show that almost a quarter of adults are obese.• This means they have a greater risk of developing heart disease, diabetes, stroke and certain cancers (breast and colon).• Other health problems related to having too much fat around the body include a greater chance of developing osteoarthritis (wear and tear) of the joints, and emotional problems such as low self- esteem and depression.• A significant drawback with BMI is that it doesnt take into account a persons body fat content, which is an indicator of the risk of future health problems.
  3. 3. Adult and BMI
  4. 4. Children and BMI• The number of clinically obese children has also increased sharply in recent years, and there are fears that if present trends continue obesity-related diseases, such as diabetes, will occur at a much younger age than at present.• A childs BMI is calculated using the same method as for adults - weight in kilograms divided by height in metres squared. But adult BMI figures must not be used to determine whether a child is overweight or obese. Specific age-adjusted charts are needed.
  5. 5. What is a satisfactory BMI?• A healthy weight can mean better health for you, and you can use the BMI as a guideline for determining what a healthy weight is for your height. However, be aware that the best BMI for you may be different than for another. Your health care provider may be your best resource for advice on a healthy BMI for you
  6. 6. • According to the Centres for Disease Control and Prevention, the body mass index, or BMI, can give an estimate of the amount of body fat that you have. To calculate your body mass index, divide your weight in lb. by the square of your height in in., and multiply that number by 703. A BMI less than 18.5 puts you in the underweight category, 18.5 to 24.9 is normal, 25 to 29.9 is overweight and greater than 30 is obese.
  7. 7. What is a Obese BMI?• An obese person has accumulated so much body fat that it might have a negative effect on their health. If a persons bodyweight is at least 20% higher than it should be, he or she is considered obese. If your Body Mass Index (BMI) is between 25 and 29.9 you are considered overweight. If your BMI is 30 or over you are considered obese
  8. 8. People become obese for several reasons, including: Consuming too many calories.• People are eating much more than they used to. This used to be the case just in developed nations - however, the trend has spread worldwide. Despite billions of dollars being spent on public awareness campaigns that attempt to encourage people to eat healthily, the majority of us continue to overeat. In 1980 14% of the adult population of the USA was obese; by 2000 the figure reached 31% (The Obesity Society). In the USA, the consumption of calories increased from 1,542 per day for women in 1971 to 1,877 per day in 2004. The figures for men were 2,450 in 1971 and 2,618 in 2004. Most people would expect this increase in calories to consist of fat - not so! Most of the increased food consumption has consisted of carbohydrates (sugars). Increased consumption of sweetened drinks has contributed significantly to the raised carbohydrate intake of most young American adults over the last three decades. The consumption of fast-foods has tripled over the same period
  9. 9. What is a very Obese BMI?Overweight BMIIf your BMI is 25 or more, you should think about losingweight.Being overweight or obese can increase your risk of healthproblems, such as:heart diseasestroketype 2 diabetessome types of cancerhigh blood pressure (hypertension)kidney disease
  10. 10. Healthcare• Healthcare professionals use the words obese and obesity as clinical terms to indicate your increased risk of health problems. They do not use these terms to describe what you look like. You can find more information about obesity in the Health A-Z.• Talk to your GP before starting a weight loss programme if you have a long-term health condition, such as type 2 diabetes or heart failure.• If you intend to go on a low-fat or low-calorie diet to achieve gradual weight loss, you should seek advice from your GP beforehand.• Your GP can offer you help, support and advice before you start your diet. During your diet, you should also have regular follow-up appointments with your GP, to keep track of your progress. They can also offer support to help you achieve your weight-loss goal sensibly
  11. 11. By ASIM Hussain