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.
To become a dental hygienist you attend a dental hygiene program offered at a college. Some schools have a pre-dental hygiene program where you would complete both pre-requisi â¦ tes and the actual program at the same school.Some dental schools also have dental hygiene programs as well.o become a dental hygienist you need to study head and neck anatomy for when you give anesthetic injections as well as when you provide intraoral and extraoral cancer screeni â¦ ngs at the beginning of the patient visits.