The Relationship Between Obesity and Cancer

In a recent study, researchers looked at the 13 types of cancer that have traditionally been associated with being overweight and having obesity.

These include a type of esophageal cancer, postmenopausal breast cancer, colorectal cancer, endometrial cancer, gallbladder cancer, and gastric cardia cancer.

The researchers looked at cancer of the kidney, liver, and thyroid, as well as ovarian and pancreatic cancer. The researchers also examined meningioma, which is a slow-progressing type of brain tumor, and multiple myeloma.

In 2017, approximately 630,000 people in the U.S. received a diagnosis of one of the cancers mentioned above, which represents a staggering 40% of all diagnosed cancers. 

The incidence rate was particularly high among adults aged 50 and above. In fact, 2 in 3 of these cancers occurred in those aged between 50 and 74.

Gender-wise, more cancers were linked with obesity in women than in men. And more specifically, 55% of the cancers affecting women and 24% of those affecting men were related to obesity.

Regarding obesity-associated cancers, these rose by 7% between 2005 and 2014. By comparison, the incidence of cancers not associated with obesity declined by 13% during that time. 

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