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.
Becoming a hygienist requires completion of an accredited dental hygiene program as well as a state license. According to the American Dental Hygienists' Association (ADHA), there are education programs offering associate's (86 credit hours) and bachelor's degrees (122 credit hours). dental assistant is not the same profession as a dental hygienist. Becoming a dental hygienist requires more training and school than it does to become a dental assistant. Therefore, dental hygienists can perform additional duties that dental assistants cannot.