Colon cancer is now the deadliest cancer for people under 50, and researchers are scrambling to understand why rectal cases are driving the trend. More colon cancer cases are being diagnosed in the rectums of people in their 40s, 50s, and 60s, a clear sign that something in our modern environment is perturbing colon health, and making colon cancer more common in younger generations. A new repor... [5803 chars]