How has the prevalence of obesity changed over time?

The prevalence of obesity around the world grew over time, with the sharpest increase in the second half of the 20th century and early 21. Before this time, obesity was a rare phenomenon. According to the World Health Organization (WHO) Obesity has achieved "epidemic proportions" around the world and is expected to continue to rise. Increased consumption of foods with a high calorie content and low level of physical activity is attributed to an increase in increase in the obesity rate in most developed nations. Due to the health risks associated with the WHO obesity, the country recommends that the country introduces weight management programs.

For most of history, obesity was rarely visible; In the last century, however, it became a matter of course. The sharpest increase in the prevalence of obesity has occurred since the mid -sixties, with rates in many countries doubled or trilateraling. In the United States, for exampleThe age of 20 to 74 years from 13.4 percent in 1962 to 35 percent in 2006 and grows even faster in children growing in children. The WHO estimates that more than 300 million adults are clinically obese, defined as an index of body weight (BMI) over 30 years and considers the problem as an epidemic. Increasing the prevalence of obesity is present in development and developed areas in rural and urban areas and at all socio -economic levels; The rates are expected to continue growing unless a large percentage of the population make changes to permanent lifestyle.

Increased prevalence of obesity is attributed to two main causes. One of them is increased availability and consumption of high calorie content at all levels of society. Since the population around the world is moving to more urban lifestyle and experience with increasing income, foods with high levels of fat and sugar are consumed in larger quantities and pushing out healthier alternatives. OtherThe cause is less physical activity that accompanied the spread of technology. A smaller percentage of populations work in jobs that require physical exertion, and leisure activities have shifted to a seventh forms of relaxation.

Increasing the prevalence of obesity around the world was accompanied by serious health problems. Obesity is associated with significantly higher incidents of health conditions such as diabetes, osteoarthritis, heart disease, certain cancer and respiratory problems. The growing level of obesity and related health conditions significantly increases health care expenditures around the world. The WHO recommends that the countries make sources available for medical care for the affected individual. It also recommended that they implemented public policy measures to support a healthy lifestyle, including increasing the availability of low fat and high fiber foods and promoting opportunities for everyday exercise.