The promises and pitfalls of personalized health

This is Optimizer , a weekly newsletter sent every Friday from Verge senior reviewer Victoria Song that dissects and discusses the latest gizmos and potions that swear they're going to change your life. A few days ago, my esthetician was smearing hot wax on my face. The two caterpillars I call eyebrows were in desperate need of taming - as was my lady 'stache.