Aug 28, 2016 05:31 AM EDT By Sarah T., UniversityHerald Reporter

More than a thousand studies have found evidence that proves obesity increases the risk for at least 13 types of cancer. International Agency for Research on Cancer, part of the World Health Organization, conducted a study about this medical condition.

According to the study of the agency, the five types of cancer that linked to obesity are adenocarcinoma of the esophagus, colorectal cancer, breast cancer in postmenopausal women, and uterine and kidney cancers. The new study, published in in The New England Journal of Medicine, links the eight types of cancer to excess fat, and these are, gastric cardia, a cancer of the part of the stomach closest to the esophagus; liver cancer; pancreatic cancer; thyroid cancer; ovarian cancer; gallbladder cancer; meningioma, a usually benign type of brain cancer; and multiple myeloma, a blood cancer, The New York Times reported.

Obesity, anorexia, and other medical conditions, affect the lives of people who have these. Former "Glee" star Naya Rivera wrote a memoir titled, "Sorry Not Sorry," which will be released on Sept. 13. In this letter, the actress opens up about her struggle with anorexia.

In a new report, American Academy of Pediatrics (AAP) affirmed that many girls and even some boys are struggling from eating disorders, according to Raw Story. The association of pediatricians, revealed an alarming statistic that in the US from 1999 to 2006. In a report, a total of 119% increased of hospitalizations for Eating Disorders (EDs) among children younger than 12-years-old.

The association recommends an approach that focuses on health, rather than weight loss or dieting. L.V. Anderson wrote on Slate that dieting is a hazard to teens' (both fat and thin) mental and physical health,

AAP recommends Motivational Interviewing to health care providers. This approach used in treating problematic substance use, and it involves supporting the client in assessing the pros and cons of their behaviors.

Health care providers find that humiliating people for their eating choices or weight can worsen their conditions. Humiliating or body shaming is not useful to combat eating disorders.

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