The invention of the steam engine at the end of the 18th century was the beginning of evolution in transportation. This development allowed people to move heavier loads faster. A hundred years after, since the motor car was created, people were able to travel long distances without using a lot of effort.

By the end of 20th century, and continuing today, he computer is the main source of communication for the vast majority of people in the world. In last 10 years, the average growth of Internet usage in the world grew by 480 percent. This increase shows that people are becoming more addicted to online communication, and the need to physically interact with people has become limited.

The absence of the necessity to walk and do other physical activities in order to complete daily tasks is one of the leading causes of the most serious public health problems of the 21st century: obesity. Obesity is defined as a body having  excessive body fat, which causes health problem and reduces the life expectancy of a person.

Moreover, it increases the probability of having various diseases such as heart disease, certain types of cancer, and type 2 diabetes. Obesity is caused by many factors. One reason could be the person’s genes, which usually explains 25-40 percent of a person’s weight. The remaining percentage of your body condition comes from that person’s culture, way of life, and environment. 

With the development of technology and transportation, the cost of goods has decreased, and most people are able to afford junk food, which is sold everywhere. Moreover, there is no need to go to the grocery stores as often since fast food services, such as pizza deliveries, are readily available. Such services are becoming more popular, especially among the younger generation.

The problem of obesity is more global than we think. It was estimated that Americans spend more than $33 billion annually on weight loss. Additionally, the cost of health care to treat obesity is $120 billion. The World Health Organization predicts that there will be 2.3 billion people with weight problems by 2015, which is almost a quarter of the world’s population. At the present, nearly a third the US population is obese.

How people should deal with obesity problem?

First of all, a person who is obese must understand his/her own problem and consciously decide to deal with that issue. It was recommended to use a positive criticism in order to build self-confidence, which means that criticism must be seen as a way to correct oneself, but not as an irritating factor.

As soon as an obese person is certain about his/her situation, a balanced diet must be chosen. When the goal is to lose weight by decreasing the amount of food, the body should still get all essential nutritients, since it is vital for physical health and appearance. In addition, it is important to have a habit of counting calories.

Whenever food is bought, all the labels must be read to know how many calories the product contains. If extra calories were consumed, exercise can help balance it. In conclusion, it is necessary to avoid ignoring small things. If you already decided to have a diet and be healthy, it should last for as long as possible, and must not depend on any events, such as wedding or birthday party.

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