Obesity is the cause of thousands of cancer cases worldwide Health

A recent study showed that increasing body weight accounted for about 4% of all cancers worldwide and was caused by a high proportion of malignancies diagnosed in developing countries.

Since the beginning of the year 2012, weight gain is responsible for 544,300 cancer cases diagnosed each year worldwide, according to researchers from the medical journal The Journal Journal for Clinicians.

The impact of obesity on low-income countries is considerable: although they account for only 1% of overweight and obese cancers in low-income countries, they account for 7-8% of cancers diagnosed in some countries . Western high-income countries, the Middle East and North Africa.

"Many people do not know the relationship between weight gain and cancer," said Dr. Huwana Song, head of research at the American Cancer Society in Atlanta.

"Trying to maintain and maintain a healthy weight is important and can reduce the risk of cancer," Song said in an email.

Researchers reported 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, out of 2 billion adults and 340 million children worldwide.

While the proportion of overweight people is increasing rapidly in most countries and in all population groups, this increase has been more pronounced in some low-income and middle-income countries that have adopted Western lifestyles, not caring Exercising and eating many unhealthy foods, the researchers note.

"The simultaneous increase in weight gain in almost all countries would largely be due to changes in the global diet, focusing on energy-rich foods and their nutritional value, as well as on reducing opportunities for weight gain." physical activity, "said Song.

The researchers pointed out that overweight and obesity were closely related to an increased risk of 13 types of tumors – breast, colon, rectum, uterus, esophagus, gall bladder, kidneys, liver, ovaries, pancreas, stomach, thyroid , brain, spinal cord and blood cells.

Some recent research has linked the increase in weight and risk of prostate cancer, as well as cancer of the mouth and throat.