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Obesity is an abnormal or  excessive fat accumulation that presents  a risk to health. . A certain amount of body fat is  necessary for storing energy,  heat insulation, shock absorption, and other functions 

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Obesity can lead to health problems such as heart disease,  diabetes and high blood pressure. It is a risk to a number of cancers. Obesity is difficult to treat and has a high relapse rate. 

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The energy value of food is measured in units called  calories. The average physically active man needs  about 2,500 calories a day to maintain  a healthy weight, and the average physically active woman needs  about 2,000 calories a day. Calorie imbalance: calories consumed  and calories spent leads to weight gain. 

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A BMI of 30 and above is considered obese. How do we calculate BMI. Body Mass Index is a simple calculation using  a person's height and weight. The formula is BMI = kg/m2 where kg is  a person's weight in kilograms and  m2 is their height in metres squared. If your BMI is 18.5 to <25, it falls within the normal. If your BMI is 25.0 to < 30, it falls within the overweight range. If your BMI is 30.0 or higher,  it falls within the obese range. 

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Estimated medical cost of obesity worldwide $  147 Billion Annualy 

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Obesity in the US is a major health concern. One in every three adults in the US is  obese (Havard, 2020) with the rates being  higher for women. In the year 2020 the adult obesity rate was  42.4% according to CDC which was  worsened by the Covid 19 pandemic which led  to increased food insecurity 

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OVERWEIGHT PREVALENCE WORLDWIDE  1975-2016 

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Sedentary people burn fewer calories than people who are  active.  Study shows there is a strong correlation between physical inactivity and  weight gain in both sexes 

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This leads to weight gain especially if the diet is  high in fat and sugars. 

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A person is more likely to develop  obesity if one or both parents are obese. Genetics also affect hormones involved  in fat regulation 

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For some people, emotions influence eating habits.  Many people eat excessively in response to emotions such as boredom,  sadness, stress or anger. About 30% of the people who seek  treatment for serious weight problems have  difficulties with binge eating 

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Childhood obesity is a condition in which a child is  significantly overweight for his or her age and height.  Childhood obesity is a serious problem in the United States,  putting children and adolescents at risk for poor health. The causes of excess weight gain in young people are  similar to those in adults, including behavior and  genetics 

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You need to get 150 to 300 minutes of moderate-intensity activity a week to prevent  weight gain. Moderately intense physical activities include  fast walking and swimming 

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Focus on low-calorie, nutrient-dense foods,  such as fruits, vegetables and whole grains. Avoid saturated fat and limit sweets and alcohol. Eat three regular meals a day with limited snacking. You can still enjoy small amounts of high-fat,  high-calorie foods as an infrequent treat. Just be sure to choose foods that promote  a healthy weight and good health most of the time. 

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People who weigh themselves at least once a week are  more successful in keeping off excess pounds. Monitoring your weight can tell  you whether your efforts are working  and can help you detect  small weight gains before they become big problems. 

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Sticking to your healthy-weight plan during the week,  on the weekends, and amidst vacation and  holidays as much as possible increases your chances of long-term success.  