What to read around the web today

• Severely ill children left in limbo by U.S.-Venezuela crisis. Associated Press
• The latest diet trend is not dieting. The Atlantic
• Here are five immediate takeaways from Roche’s $5 billion bid for Spark Therapeutics. STAT Plus
• Changing ‘the tragedy narrative’: Why a growing camp is promoting a more joyful approach to Alzheimer’s. Washington Post
• After Vox story, California lawmakers introduce plan to end surprise ER bills. Vox