It often uses old structures (or ancient genes) for new jobs. The mammalian ear is a perfect example. Over the eons, the jawbones of our fish ancestors became three separate small bones that ...
Symptoms can include ear pressure, ear pain ... It usually becomes blocked when you have a cold, a sinus infection, or nasal allergies because the membranes in the nose become swollen and can ...
Symptoms can include ear pressure, ear pain, hearing loss, and dizziness. Barotrauma occurs when the eustachian tube, which connects the back of the nose with the middle ear, is affected. It usually ...
This small canal helps to balance air pressure in the ear, and it can stop working if these muscles start to spasm. As a result, the ears can feel full and clogged. Dr Damiani said ...
Clogged drains are a household issue we all face at some point, regardless of whether we're homeowners, renters or visitors. Whether it’s due to a paper towel down the sink or a clump of hair ...