Essay On Why People Should Lose Weight

Topic: Why people should lose weight and how? Obesity is caused by the body adipose accumulation is overmuch, is seen as “unhealthy" logo.Obesity not only affects the physical beauty, but also bring inconvenience to the life, more important is likely to cause a variety of complications, rapid aging and death. So people say that obesity is a disease of the aura, the signs of aging.

People are fatter and sicker than ever before. Obesity rates have tripled since 1980 and have increased particularly fast in children. The reason why this has happened is still debated among scientists, but it must be due to changes in the environment because our genes don’t change this quickly. So there are some reasons that why more and more people getting fat in these years:

Reason 1.People eat more junk food than before.

This picture shows where Americans eat durning 1889~2009

Source: Dr. Stephan Guyenet. Fast Food,

Medical evidence shows that obesity poses a major threat to health and longevity. Excess body fat is linked to major physical threats like heart disease, cancer, and diabetes. If people are obese, it takes more energy for them to breathe because their heart has to work harder to pump blood to the lungs and to the excess fat throughout the body. This can result in high blood pressure and erratic heartbeats. Clinical studies have found a relationship between excess body fat and the incidence of cancer. Body fat is thought to be a storage place for carcinogens in both men and women. There is also a delicate balance between blood sugar, body fat, and the hormone insulin. Excess blood sugar in the body is converted to fat. As fat cells become full, they tend to take in less blood sugar. In some obese people, the pancreas produces more and more insulin, which the body can 't use, to regulate blood sugar levels, and the whole system becomes