What to read around the web today

• In touting a therapy's potential, a stem cell firm's media blitz offers a mirage. STAT Plus
• Beta blockers were a miracle cure for my stage fright. Slate
• When Lyme kills. Elemental
• What the U.S. medical system can learn from Estonia. The Atlantic
• Hospitals earn little from suing for unpaid bills. For patients, it can be 'ruinous.' NPR