What to read around the web today

• Income is a strong predictor of drug purchases for some serious diseases. New York Times
• A new blood test to predict Alzheimer’s aims to give drug makers a needed tool. STAT Plus
• In rush to revamp Medicaid, Trump officials bend rules that protect patients. Los Angeles Times
• Precision medicine’s rosy predictions haven’t come true. We need fewer promises and more debate. STAT
• Key West bans the sale of sunscreens that hurt coral reefs in the Keys. Miami Herald