Obesity is defined as excessive body fat that may impair health. It is measured through body mass index (BMI), with a BMI over 30 considered obese. Unhealthy lifestyles like poor diet, inactivity, excessive screen time, lack of sleep, and smoking can contribute to weight gain and obesity. Social and economic factors may also influence obesity rates. Obesity increases the risk of serious diseases like heart disease, diabetes, and certain cancers.

1. OBESITY AND LIFESTYLE
WHICH LEADS TOWARD
OBESITY:

2. Obesity?
Obesity is a complex disease involving an excessive amount of
body fat. Obesity is not about more weight its about more fat. It is
a medical problem that increases your risk of other diseases and
health problems, such as heart disease, diabetes, high blood
pressure and certain cancers.

3. Definition of obesity by WHO
Overweight and obesity are defined as abnormal or excessive fat accumulation
that presents a risk to health. People measure obesity on the body mass index
(BMI). And fat on waist circumference. A person with a BMI of 30 or more is
generally considered obese. A person with a BMI more than 25 is considered
overweight.
Overweight and obesity are major risk factors for a number of chronic diseases,
including diabetes, cardiovascular diseases and cancer. Once considered a
problem only in high income countries, overweight and obesity are now also in
middle-income countries, particularly in urban settings.

4. BMI
Body Mass Index (BMI) is a measurement of a person's weight with respect to his or
her height. The WHO defines an adult who has a BMI between 25 and 29.9 as
overweight - an adult who has a BMI of 30 or higher is considered obese BMI below
18.5 is considered underweight, and between 18.5 to 24.9 a healthy weight .
This formula is use for finding BMI:

6. Lifestyle which leads toward
obesity:
Unhealthy diet:
A diet that's high in calories, lacking in fruits and
vegetables, full of fast food, and laden with high-calorie beverages and
oversized portions contributes to weight gain.
Inactivity:
If you have a sedentary lifestyle. Looking at computer , tablet
and phone screens is a sedentary activity . you can easily take in more
calories every day than you burn through exercise and routine daily activities.
The number of hours you spend in front of a screen is highly associated with
weight gain.

7. Social and economic issues:
Social and economic factors are linked to
obesity . Avoiding obesity is difficult if you don't have safe areas to walk or
exercise. Similarly , you may not have been healthy ways of cooking, or you may
not have access to healthier foods. In addition, the people you spend time may
influence your weight you're more likely to develop obesity if you have friends or
relatives with obesity.
Quitting smoking:
Quitting smoking is often associated with weight gain.
And for some, it can lead to enough weight gain. Often, this happens as people
use food to cope with smoking withdrawal. However doctor can help you
prevent weight gain after quitting smoking.

8. Lack of sleep:
Not getting enough sleep or getting too much sleep can
cause changes in hormones that increase your appetite. You may also desire
foods high in calories and carbohydrates, which can contribute to weight gain.
Previous attempts to lose weight:
Previous attempts of weight
loss followed by rapid weight regain may contribute to further weight gain. This
phenomenon, sometimes called yo-yo dieting.

9. Complication of obesity:
People with obesity are more likely to develop a number of serious health problem, including
following:
Heart disease and strokes:
Obesity makes you more likely to have high
blood pressure and abnormal cholesterol levels, which are risk factors for heart
disease and strokes.
Type 2 diabetes:
Obesity can affect the way your body uses insulin to control
blood sugar levels. This raises your risk of insulin resistance and diabetes.
Certain cancers:
Obesity may increase your risk of cancer of the uterus, cervix,,
ovary , breast,, rectum, esophagus, liver , gallbladder , pancreas, and kidney.

10. Sleep apnea:
it is a serious disorder in which breathing repeatedly stops and
starts during sleep.
Osteoarthritis:
Obesity increases the stress placed on weight-bearing joints,
in addition to promoting inflammation within the body.
And some more the following complication:
 Depression
 Poor wound healing
 Low quality of life
 Sexual problem
 Discomfort

11. THANK YOU