Formaldehyde. Formaldehyde is a known human carcinogen widely used in many consumer products, including building materials, pressed wood, cosmetics, shoe-care products, and textiles. Natural Resources Defense Council's formaldehyde fact sheet.ormaldehyde. Formaldehyde is a known human carcinogen widely used in many consumer products, including building materials, pressed wood, cosmetics, shoe-care products, and textiles. Natural Resources Defense Council's formaldehyde fact sheet.
This is often caused by the blockage or inflammation of the salivary gland duct. Viruses and other medical conditions can also reduce saliva production, including: 1  mumps (a contagious viral infection that is most common among children who have not been immunized). 2  HIV. salivary gland infection typically results from a bacterial infection. Staphylococcus aureus is the most common. Others include: Streptococcus viridans, Haemophilus influenzae, Streptococcus pyogenes, and Escherichia coli.
The following are some of the more common salivary gland problems : Salivary stones, or sialoliths. The most common cause of swollen salivary glands, salivary stones are buildups of crystallized saliva deposits. Sometimes salivary stones can block the flow of saliva.When saliva can't exit through the ducts, it backs up into the gland, causing pain and swelling.Pain is usually off and on, is felt in one gland, and gets progressively worse. Unless the blockage is cleared, the gland is likely to become infected.Salivary gland infection, or sialadenitis.he following are some of the more common salivary gland problems : Salivary stones, or sialoliths. The most common cause of swollen salivary glands, salivary stones are buildups of crystallized saliva deposits. Sometimes salivary stones can block the flow of saliva.