Want to get an accurate read on your emotional and mental health? There's an app for that! It's a mood assessment calculator called What's My MP3, and the medical team that invented it says it can determine if you're at increased risk for 4 specific issues: Depression, anxiety, bipolar disorder, and post-traumatic stress disorder. The $3 app gives you a 3-minute test that asks questions like: "Do you worry about dying or losing control?" And, "Do you use alcohol or drugs to get by?" Then, it provides a confidential assessment of your current mental mood. It also offers advice about what you should do next, say, find a therapist, or retake the test again in 2 months to see if things have changed. And experts believe the app could be incredibly helpful. According to the Substance Abuse and Mental Health Services Administration, 1 in 5 adults have some sort of mental illness. But a lot of them never discuss their emotional health with their primary care doctor, which means, 40% of those who have a mental problem never get diagnosed or treated. In fact, there's so much support for the MyM3 test, that several mental health advocacy groups - including Mental Health America - have posted a link to the test on their websites. If you'd like to go further, check out the iTunes store, or take the test for free at WhatsMyM3.com.