Many vegetables contain sodium nitrate, a small percentage of which converts to sodium nitrite after you eat it. Sodium nitrite can form nitrosamines, a potential cancer-causing agent, in the intestines. But vegetables also contain antioxidants that prevent the formation of nitrosaomines.
Education and Qualifications. To become a dental hygienist, you'll need either a 2- or 4-year degree in dental hygiene. Most programs are two years long and lead to an associate's degree.They are offered through community colleges and technical colleges.Your coursework will include classes such as the following: 1  Anatomy and Physiology.o become a dental hygienist, you'll need either a 2- or 4-year degree in dental hygiene. Most programs are two years long and lead to an associate's degree. They are offered through community colleges and technical colleges. Your coursework will include classes such as the following: 1  Anatomy and Physiology.
Entry-Level Education Requirements. The minimum education requirement to work as a dental hygienist is an associate's degree or certificate in dental hygiene. Both types of programs require you to complete core courses and an internship in a dental office.hile working as a dental hygienist, you'd use the most up-to-date technology to ensure your patients have the best preventative dental care possible. If you like the idea of helping patients maintain good dental health, read on to find out about the education requirements needed to work as a dental hygienist.