While we’re making progress in TREATING cancer, worldwide cancer INCIDENCE is soaring, especially among young people; New guidelines for colon cancer screening urge earlier start at age 45; Rates of peanut allergy are declining as more parents follow revised advice to introduce nuts earlier to kids; What’s with all the buzz about methylene blue? Legalization and stronger pot are creating an epidemic of ER visits for uncontrolled vomiting, debilitating abdominal pain; New smart toilet gives you a report card on your poop; When Zoloft doesn’t work for anxiety.