How to Use "dietetics" with Example Sentences

1. I heard that she is major in dietetics .
2. Dietetics is an increasingly important science .
3. Dietitians have the option to specialize in areas like pediatric or renal dietetics .
4. Anciently , in dietetics field , the primary research tasks are all about how to avert the lack of alimentation .
5. American dietetics education and registered dietitian training system .