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.

I recently bought a new home and it still has many old 2 prong outlets (built in 1948). When I use a circuit tester it shows the outlets are grounded. As you would assume, due to the age of the home, ...