Cancer can start in the lining of the space behind the nose (nasal cavity) or the nearby air cavities (paranasal sinuses) and sometimes spread to lymph nodes and rarely other parts of the body. Nasal ...

Sinusitis is an inflammation, or swelling, of the tissue lining the sinuses. Sinuses make mucus, which keeps the inside of your nose moist. That, in turn, helps protect against dust, allergens, and ...

Jonathan B. Jassey, DO, is a private pediatrician at Bellmore Merrick Medical. Dr. Jassey also specializes in treating ADHD, anxiety, depression, OCD, autism and other mental health issues. Post-nasal ...