First, we've got to break the bad news: If you haven't heard yet, a major new study claims that the depression-treating drug Prozac has exactly zero effect on most of its 40 million patients. Turns out, depressed patients who've been taking a daily dose to cure their blues would achieve the same effect through swallowing a simple placebo. According to the surprising results, in order to feel better, you don't need chemicals to change your mood: It's mind over medicine.

So, if you're ready to ditch the drugs, what can you do to get happy? A new review from the Cochrane Collaboration may have the key to beating the blues: Just crank up some tunes.

According to the organization's careful research of five recent studies, most individuals who listen to or create their own music under a specially-trained therapist's guidance will see notable relief in the symptoms of their depression. The studies also found that most people who enrolled in a music therapy program were likely to stick with it for a long time – good evidence that they're actually having fun with it.

If you're not ready to spring for a session with a licensed music therapist, you may seem similar results from taking the DIY path – as long as you choose the right sort of music to listen to.

"There's no universal piece of music that's going to make everybody feel good," music therapist Annie Heiderscheit told MinnPost.  "I encourage people to think of what they enjoy. At different times of the day, it might be different kinds of music....Trust your intuition."

We're assuming she'd probably rule out misery maestros like Morrissey, but you've probably got plenty of upbeat tunes in your collection that could brighten your mood whenever you need a lift. We recommend a dash of The Postal Service, followed up with a few tunes from The Polyphonic Spree or The Flaming Lips. Be warned: Side effects may include uncontrollable smiling.