The feelings are real, and the effects aren't always just mental, you can actually feel them in a physical sense too. This is the Science Of Depression. // IF YOU NEED HELP // http://www.suicidepreventionlifeline.org/ http://www.freedomfromfear.org/FindingTreatment.en.html Happiness video: https://www.youtube.com/watch?v=B19g3oXTD5I Click here to see more videos: http://www.m301.me/lifenoggin Life Noggin is a weekly animated educational series. Whether it's science, pop culture, history or art, we explore it all and have a ton of fun doing it. Follow Us! https://twitter.com/LifeNoggin https://facebook.com/LifeNoggin https://www.LifeNoggin Life Noggin Team: Animation & Designed by: http://www.krofl.com Voiced by: http://youtube.com/patdoesit Written by: https://www.youtube.com/AwkwardAdoles... Produced by: http://www.twitter.com/IanDokie Sources: http://www.health.harvard.edu/mind-and-mood/what-causes-depression http://psychcentral.com/news/2010/07/21/decreased-perception-of-color-in-depression/15826.html http://www.livescience.com/9965-depressed-people-gray-world.html