Experts from the Centers for Disease Control and Prevention (CDC) found that 40 percent of all cancers detected in the US could have been caused either by obesity itself or by other causes contributing to the emergence of excess weight, pass Neskuchnye news.

Thus, adherence to a healthy lifestyle is the main way to prevent malignant tumors.

The study involved 630 thousand Americans diagnosed with cancer. Scientists have identified a link between obesity and 13 types of malignant tumors, including cancer of the brain, esophagus, breast, thyroid, gall bladder, stomach, liver, pancreas, kidneys, ovaries, uterus, large intestine and multiple myeloma.

These varieties accounted for 40 percent of all cancers registered in 2014 in the US.

The number of cancer cases associated with obesity increased by seven percent between 2005 and 2014. The incidence of colon cancer fell by 23 percent, due to the early diagnosis of precancerous conditions.

According to the statement of Lisa Richardson, director of the department for the prevention and control of cancer diseases CDC, weight loss can reduce the risk of malignant neoplasms.