Giving more information about this, oncologist and surgeon of Terna Specialty Hospital and Research Center at Nerul, Dr. Anup Tamhankar said, "Every year 8.2 million people die of cancer worldwide. However, a healthy lifestyle should be adopted to prevent the causes of cancer. A balanced diet and weight control should be maintained to keep physically fit. Obesity now affects 20 to 30 percent of adolescents worldwide. Overweight or obesity is associated with an increased risk of cancer of the intestine, breast, uterus, pancreas, esophagus, kidney, and gallbladder in later life.