Sinusitis, also known as a sinus infection or rhinosinusitis, is inflammation of the sinuses resulting in symptoms. Common signs and symptoms include thick nasal mucus, a plugged nose, and pain in the face. Other signs and symptoms may include fever, headaches, poor sense of smell, sore throat, and cough. The cough is often worse at night.
1 Smokeless tobacco products are a major source of cancer-causing nitrosamines and a known cause of human cancer. 2  They increase the risk of developing cancer of the mouth and throat, esophagus (swallowing tube), and pancreas. Tobacco use accounts for at least 30% of all cancer deaths, causing 87% of lung cancer deaths in men, and 70% of lung cancer deaths in women. ( 2 Source: Cancer Facts & Figures 2014).
How does smoking cause cancer? The main way that smoking causes cancer is by damaging our DNA, including key genes that protect us against cancer. Many of the chemicals found in cigarettes have been shown to cause DNA damage, including benzene, polonium-210, benzo(a)pyrene and nitrosamines.