One study warns: Obesity is responsible for many cases of cancer

Obesity is responsible for many cases of cancer – Reuters

A recent study suggests that weight gain accounts for about 4% of all cancers worldwide and a large proportion of malignancies diagnosed in developing countries.
In 2012, weight gain was responsible for 544,300 cancer cases diagnosed worldwide each year, researchers said in the journal Cancer Journal for Clinicians. Although overweight and obese people account for only 1% of cancers in low-income countries, they account for 7-8% of cancers diagnosed in some Western high-income countries, as well as in the Middle East and the Middle East. North Africa.
"Many people are unaware of the link between weight gain and cancer," said Song Huawana, who headed the study group of the American Cancer Society in Atlanta.
"Trying to maintain and maintain a healthy weight is important and can reduce the risk of cancer," she said in an email.
Researchers have indicated that the proportion of overweight and obese people has increased worldwide since the 1970s. In 2016, 40% of adults and 18% of school-aged children were overweight or obese over 2 billion. adults and 340 million children worldwide.
The researchers said that while the proportion of overweight people in most countries and in all population groups, this increase was more pronounced in some low-income and middle-income countries that adopted a Western lifestyle with little or no income. exercise and many unhealthy foods.
"The simultaneous increase in weight gain in almost all countries would be largely due to global diet shifts focused on energy-rich foods and nutritional value, as well as the reduction of the opportunities available to them." Physical activity, "said Song.
Excess weight and obesity are closely related to the increased risk of 13 types of tumors: breast, colon, rectum, uterus, esophagus, gallbladder, kidneys, liver, ovaries, pancreas, stomach, thyroid, brain, spinal cord and blood cells.
More recently, some research has associated weight gain with prostate cancer, as well as cancer of the mouth and throat.