Move over, beauty blender—it’s time to recharge your makeup-brush game. You’ve got your go-to foundation brush, a brow brush, and maybe even a few others you might use here and there. But are you ...

Dr. Elizabeth Yuko is a bioethicist and adjunct professor of ethics at Fordham University. She has written for The New York Times, The Washington Post, The Atlantic, Rolling Stone, CNN & Playboy.