Defination Of Obesity And Overweight

Due to our unhealthy lifestyles, more people are overweight nowadays. The terms’ overweight’ and ‘obesity’ indicates the condition of the body, having bodyweight higher than what is considered healthy body weight. It is generally due to extra body fat. Fat is essential for a body to perform functions such as storage of the energy within the body, heat insulation, shock absorption, and some other related functions. When the excess calories get stored inside the body, it causes fat accumulation resulting in obesity.

Gaining a few kilograms may not seem like a big deal for many individuals. But the weight gain might add up over time. How can one know if he or she is overweight or not? Knowing your “Body Mass Index (BMI)” can help. It is calculated with the help of a person’s height and weight. By dividing the height with weight, you will get weight in relation to your height or BMI.

If the BMI lies within the limit of 25-29.9, then the person is overweight. If the BMI of the adult is above 30, he or she lies in the category of obese. BMI of a healthy body is between 18.5 to 24.

Obesity is a chronic medical condition that gives rise to severe health problems such as cardiovascular diseases, hypertension, stroke, arthritis, breathing problems, high cholesterol, etc. The primary reasons for being obese include genes, family history, childhood weight, and hormonal imbalance. The factors that lead to Obesity and Overweight include the Sedentary lifestyle, Physical inactivity, Overeating, Genetics, and some negative Psychological factors.

Difference Between Overweight and Obese

Obesity and Overweight are both referred to as the condition of gaining excessive weight. The term “obese” means a much higher amount of body fat than “overweight” that leads to various serious health issues.
Overweight is defined as the condition when the person’s Body Mass Index (BMI) Is more significant than 25, whereas obesity is the condition when the person’s BMI lies above the range of 30.
Overweight is the condition, treated with the help of physical activity or exercise, but extreme cases of obesity surgery are needed. People with obesity are at higher risk of diseases like hypertension, high cholesterol, heart diseases, etc.

Obesity Health Statistics

Obesity is a chronic condition, and it is considered as an Epidemic in the United States and some of the developed countries. According to a study conducted in the US, one in every fifth child is obese, and almost 70 percent of Americans in their 20s are overweight.
As per the statistics, 1.9 Billion people, with 18 years of age in 2016, are obese. As per the prevalence,37 % of the adults worldwide were overweight in 2019, and 13% lies in the category of obese in 2019. It has a considerable spread worldwide; it spreads with the tripled ratio between 1975 and 2016. And of those, about one third are obese. Unfortunately, this problem has become prevalent in children, too. (Reference: WHO)

What Causes Obesity And Overweight

The leading causes of obesity and overweight is the high intake of calories. A specific intake of calories needs to be maintained for a healthy weight. For a healthy weight, the ratio of calories consumed should be equal to the expended calories; However, if the rate of the consumed calorie is higher than the expended calories, it results in weight gain, which may lead to cause Obesity and Overweight.
The causes of obesity and overweight are as follows:

  • Consumption of energy-rich food.
  • Higher intake of sugar.
  • Sedentary lifestyle or inactive lifestyle, spending time in front of the television, internet, and playing video games.
  • Poor choices of food.
  • Family history of being overweight, Genes play a vital role in causing obesity.
  • Ample portion size of food.
  • Overeating.
  • Stressful or Negative emotional states such as sadness, anger, boredom may lead to the cause of weight gain.
  • Lifestyle can also be the reason for obesity; consuming processed and fat-filled food leads to obesity.

There are various influences on body weight, such as genetic, behavioral, and metabolic influences. Obesity arises when you eat fatty food or those with higher calories, and you are unable to burn it via physical activity or exercise.

Prevention Of Obesity And Overweight

For a healthy lifestyle, you need to stay fit. To prevent yourself from getting overweighing and obese, the following measures should be taken:

  • Eat five times a day.
  • Avoid having processed food.
  • Reduce the intake of sugar.
  • Limit yourself from artificial flavors and sweetness.
  • Avoid having Junk food.
  • Try to have a nutrient-rich diet or plant-based diet.
  • Avoid consuming bad fats.
  • Higher intake of dietary fibers.
  • Intake of low glycemic foods.
  • Try to engage yourself in regular bodily activity.
  • Less stress.
  • Think positively.
  • Avoid negative emotions.

Health Problems Associated With Obesity And Overweight

Health problems related to Obesity and Overweight are as follows:

Cardiovascular Disease Due To Obesity

Obesity increases the chances of cardiovascular diseases as fat accumulation increases inside the body, which causes the narrowing of the vessels and increases the chances of cardiovascular diseases.


Increases fatty tissues in the body result in vascular resistance, which in turn increases the blood pressure and causes hypertension.


Obesity increases the level of fatty acids, which results in insulin resistance, thus increasing the chances of type II diabetes.

High Cholesterol

Obesity leads to an increase the LDL Cholesterol and decreases the clearance of LDL cholesterol from the blood, which results in high cholesterol.

Certain Cancers

Obesity can increase the risk or certain cancers such as cervix, endometrium, ovary, breast, etc.

Digestive Problems

Obesity increases the chances of heartburn, gall bladder disease, and arises problem-related to the liver.

Renal Failures

Overweight or Obese have increased chances of diabetes and High blood pressure. These factors are the primary cause of the Renal problem, thus leading to renal failures.

Sleep Apnea

People who are overweight are likely to have sleep apnea; it is the condition in which the breathing pattern is disturbed that it starts or stops while sleeping.

How To Control Obesity and Overweight

First of all, one should consult a doctor. Second is to try some weight loss regime to control weight gain, limiting the energy intake by taking a meal with less fat and sugar, engaging yourself in the physical activity to lose weight. The weight loss plan should cover the points that are diet, exercise, and behavioral modification.


For losing weight, one should consult a dietician. A proper diet plan needs to be followed for achieving a steady weight loss. One pound per weak is the safest way to lose weight.


Doing regular exercise such as swimming, walking, dancing, etc., can help reduce weight. It is necessary to consult a health care professional for losing weight because the amount of exercise is different for everyone. (Reference: What are the benefits of Exercise or Physical Activities? – Health)

Behavioral Modifications

Following Behavioral techniques need to be followed.

  • Maintain a regular schedule for the food you eat.
  • Avoid visiting fascinating food places when you are about to lose weight.
  • Take weight loss medication timely if suggested by the dietician.

What Factors Can Influence Obesity?

Following are the factors associated with obesity


It is the factor associated with the age of inception and pace of the weight gain. African-American women and Hispanic women experience weight gain earlier in life as compared to Caucasians and Asians. Age-adjusted obesity rates are higher among them.

Childhood Weight

Childhood weight is a factor for adulthood obesity. Person’s weight during childhood, teenage influences adulthood obesity.


Hormonal changes inside the body may also lead to the condition, overweight, and obesity.

What Are Some Treatments For Obesity?

Obesity can be treated with the following conditions.

Cutting The Calorie Intake

A person must have sufficient knowledge about the calorie intake; he must know about the dietary changes that what to eat and what not to eat.


Obesity or overweight can be reduced with the help of exercise. Practicing routine exercises can reduce the problem of Obesity and Overweight.

Feeling Full On Less

There are specific foods that are rich in sugar and fat; even having a small portion of these kinds of food can lead to cause weight gain; therefore, the food like vegetables and fruits that are rich in nutrients, having these in large portions, tends to reduce weight.

Weight Loss Surgery

In extreme cases of obesity, weight loss surgeries are also performed to treat obesity. It can help people to reduce 35% or more of their excessive weight.

Question 1

What is Obesity?
Answer: Obesity is a condition of abnormal fat accumulation in the body that results in health impairment.

Question 2

What is the BMI level for categorizing obesity?
Answer: The BMI level for categorizing obesity is greater than or equal to 30.

Question 3

What is the BMI level for categorizing Overweight?
Answer: The BMI level for categorizing overweight is greater than or equal to 25.

Question 4

What causes obesity?
Answer: An increased consumption of energy-rich foods that are high in fats and sugar causes obesity.

Question 5

I am overweight. How can I reduce weight?
Answer: Obesity and Overweight can be reduced by maintaining a healthy lifestyle, limiting the energy intake of fat, sugar, and practicing regular exercises. Try a weight loss plan, choose moderate weight loss goals, and change your diet routine in a sustainable way that is not very restrictive.

Question 6

What are the health complications of Obesity and Overweight?
Answer: Obesity could increase the chances of developing various health problems such as Cardiovascular diseases, Hypertension, Diabetes, High cholesterol, Stroke, Renal disorders, etc. If you are pregnant, this might lead to short and long-term health problems for women and children.

Question 7

Does obesity increase the risk of Renal Disorders?
Answer: Yes, Obesity increases the risk of Renal disorders; there are higher chances of diabetes and hypertension, which are the main factors that cause kidney diseases.

Question 8

Does Hormonal Imbalance result in weight gain?
Answer: Yes, Hormonal imbalance results in weight gain. It plays a significant role in metabolism and your body’s ability to use energy. Hypothyroidism and Cushing syndrome is a hormonal disorder that can cause you to become overweight. People suffering from hypothyroidism usually have low levels of thyroid.

Question 9

Why is obesity a growing issue in the world?
Answer: Obesity is snow prevalent in many countries across the globe. It can be due to changes in the way we live, work, and play. Nowadays, jobs have become less physical, and there is less time left to devote to physical activities. People spend hours sitting in front of screens – watching television, playing video games, the internet, or using mobile devices. The food habits have also changed from healthy to unhealthy.