Why do people now all over the world consume a lot fast-food and convenience food than cook their selves? All of us know that fast-food and convenience food are easier to get rather than cook. There are more people consuming too much fast-food now than ever before, also the fast-food industry has expanded more than ever before. The detriment to consuming too much junk food is it can lead to diseases such as obesity. According to http://www.obesityaction.org/understanding-obesity/obesity obesity is a condition that is associated with having an excess of body fat, defined by genetic and environmental factors that are difficult to control when dieting. Obesity can lead to many other diseases such as cancer, heart, respiration, and diabetes. …show more content…
People who are obese have a higher risk of getting cancer the reason why is because people who are obese have more tissue cells and it can produce more hormones. It can produce for example, insulin or estrogen too much and may cause the cancer cells to grow. People who are obese have levels of hormones that encourage the person to have an abnormal metabolism and the gain of body fat. Gaining weight also plays a factor also may affect a higher risk for cancer. Research and studies have shown that high birth weight, gaining weight during adulthood, and also weight cycling. By maintaining a healthy weight a person would have a lower risk of cancer.
The second reason why obesity is harmful to someone’s health is because of the heart. Having extra weight makes a person more susceptible to having a trouble with the heart. According to, http://www.webmd.com/diet/news/20041123/obesity-linked-to-heart-rhythm-disorder , a new study has shown that those who are obese are 50% more likely to have a potentially deadly heart rhythm disorder called atrial fibrillation. Most researchers see abnormal heart rhythms in people as they age, people who had diabetes and also people who are obese and who have heart