Which drug is better than others?

Now Playing: Woman’s best bet: The best drugs for treating depression article Now Play: ‘Biggest loser’: New ‘Black Friday’ sales figures show ‘biggest losers’ of 2017 Now Playing, ‘Bud Light’ to pay $500 million for shares Now Playing ‘The Big Bang Theory’: Where’s Sheldon?

Now Playing The ‘Big Bang Theory’ star talks about his ‘huge loss’ in ‘The Upside of the Bifurcation’ Now Playing Is ‘The Good Wife’ getting its own spin-off series?

Now Play ‘Game of Thrones’: How ‘Game’ could be the next big TV show Now Playing Here are the best apps for ‘Binge Watching’ Now Play Why you should watch ‘Orange is the New Black’ Now More Now Watch: How to protect your personal data in the cloud Now More