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).
She said studies done in the 1990s showed that users of Swedish snus in the 1970s faced a twofold increase in the risk of oral cancer. How much to rely on those studies now is unclear, she said, given that the company has reduced the cancer-causing nitrosamines in snus.