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Obesity
1. Welcome to My Presentation
Topic: About ‘’ Obesity’’.
Course Title: Dietetics.
Course Code: NFE-223
Department of NFE
Submitted by…
Masum Billah
ID: 152-34-426
Submitted to…
Ms. Moonmoon Hoque ( Sr. Lecturer )
Department of Nutrition & Food Engineering
2. Introduction
Types Of Obesity
Obesity Rates Remain High
Causes of Obesity
Obesity Effect On Health
Prevention of Obesity
Table Content….
3. Obesity is a medical condition in
which excess body fat has
accumulated to the extent that it
may have a negative effect on
health. People are generally
considered obese when their body
mass index (BMI), a measurement
obtained by dividing a person's
weight by the square of the person's
height, is over 30 kg/m2, with the
range 25–30 kg/m2 defined
as overweight.
Introduction
4. Types Of Obesity
Any BMI ≥ 35 or 40 kg/m2 is severe
obesity.
A BMI of ≥ 35 kg/m2 and
experiencing obesity-related health
conditions or ≥40–
44.9 kg/m2 is morbid obesity.
A BMI of ≥ 45 or 50 kg/m2 is super
obesity.
5. Obesity Rates Remain High
Adults: More than a third of adults (34.9
percent) were obese as of 2011 to 2012.4
More than two-thirds of adults were
overweight or obese (68.5 percent).
Children: Approximately 16.9 percent of
children (ages 2 to 19) were obese in 2011
to 2012, and 31.8 percent were either
overweight or obese. More than one-in-ten
children (8.4 percent) were obese starting
in early childhood (2- to 5-year-olds).
6. Causes of Obesity
At an individual level, a combination of excessive food
energy intake and a lack of physical activity is thought
to explain most cases of obesity.
Diet:A 2016 review supported excess food as the
primary factor. Dietary energy supply per capita
varies markedly between different regions and
countries.
Sedentary lifestyle:A sedentary lifestyle plays a
significant role in obesity. Worldwide there has been
a large shift towards less physically demanding
work, and currently at least 30% of the world's
population gets insufficient exercise.
Genetics:Like many other medical conditions, obesity
is the result of an interplay between genetic and
environmental factors.
7. Mortality:Obesity is one of the
leading preventable causes of death worldwide.
A number of reviews have found that mortality
risk is lowest at a BMI of 20–25 kg/m2 in non-
smokers and at 24–27 kg/m2 in current smokers
Morbidity:
Obesity increases the risk of many physical and
mental conditions. These comorbidities are
most commonly shown in metabolic syndrome a
combination of medical disorders which
includes: diabetes mellitus type 2, high blood
pressure, high blood cholesterol, and high
triglyceride levels.
Obesity Effect On Health
8. Prevention of Obesity
Exercise regularly. You need to get 150
to 300 minutes of moderate-intensity
activity a week to prevent weight gain.
Follow a healthy eating plan. Focus on
low-calorie, nutrient-dense foods, such
as fruits, vegetables and whole grains.
Avoid saturated fat and limit sweets and
alcohol.
Monitor your weight regularly. People
who weigh themselves at least once a
week are more successful in keeping off
excess pounds.
Be consistent. Sticking to your healthy-
weight plan during the week.
