Black Mucus in Nose
The lining of your respiratory system, extending from your nose through the respiratory tracts of your lungs, is coated with mucus. This clear, sticky substance helps keep the air passages clean by catching particles and chemicals from the air you breathe.
Mouth Cancer Signs and Symptoms
According to the National Institute of Dental Craniofacial Research (NIDCR), over half of those in the U.S. endure from oral cancer after five years. If this condition is captured early enough, the possibilities of successful treatment are high.