Demi Lovato is clearing up some questions or misconceptions about drug abuse and her own struggle with mental health and addiction.The songstress recently joined Diane Guerrero during an episode of her podcast, and she got candid about her past experiences with drugs and substance dependency.According to Lovato, 28, many think that «if people are using drugs or if they are dealing with an eating disorder or self-harm that they want to die.»«In the same way it almost killed me, it saved my life