Tinnitus is the perception of sound in the ears or head where no external source is present. It is referred to as “ringing in the ears” or “head noise.” The sound heard by persons with tinnitus can only be heard by the affected person. People describe hearing ringing, hissing, screeching, static, roaring, buzzing, electric tones, ocean waves or music. Patients may hear the sounds continuously, temporarily or intermittently with varied

Asthma is a chronic lung disease that inflames and narrows the airways. Asthma is long-term and makes breathing difficult; the breathing problems are called attacks or episodes of asthma