The best sounds ever relax us, entice us, evoke fond memories, and force smiles on our faces. They are the opposite of noise. Noise — according to the Centers for Disease Control and Prevention (CDC) — can cause bad things, like stress or anxiety or depression or high blood pressure. Especially if you are regularly exposed to it without hearing protection. Noise is something to avoid. Best sounds ever are something to seek out. So the no-brainer ...