What causes humming in the head?

Humming in the head, often referred to as tinnitus, can be caused by various factors, including exposure to loud noises, ear infections, age-related hearing loss, or earwax buildup. It may also be linked to stress, certain medications, or underlying health conditions such as high blood pressure or Diabetes. In some cases, the exact cause remains undetermined. If the humming persists or worsens, consulting a healthcare professional is advisable.