Obesity and cancer

摘要: Large-scale studies have demonstrated that obesity increases the risk of developing some forms cancer. The association between and cancer may result from factors such as fat distribution or sex hormone levels. Studies also shown a relationship high-fat, low-fiber diet risk. High estrogen levels low progesterone are associated with an increased endometrial Obesity is known to raise lower increase breast cancer, but evidence less clear, since factors, age, country origin, body-fat distribution, family history, play major role in determining Sex hormones, insulin, nutritional involved etiology incidence lung inversely related body weight.