Tinnitus, which is the perception of noise or ringing in the ears, can become dangerous if left untreated over time. The document discusses how tinnitus, a common condition that affects millions of people, may seem harmless at first but could develop into a serious problem if not addressed properly. Those suffering from tinnitus are encouraged to seek treatment from an audiologist or ENT doctor to determine the cause and develop a treatment plan to manage the symptoms and prevent any long-term health issues.