Some smells help anxiety, including lavender, bergamot, vetiver, ylang-ylang, oranges, and lemons. However, the most popular is rose. Combining rose, and lavender is incredibly effective. This study (https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5111093/#:~:text) had over 200 participants and showed the positive effects of this blend. "Sahebalzamani et al. studied the effects of aromatherapy on the anxiety of undergraduate students. The results showed that aromatherapy, in the form of inhalation of a blend of rose and lavender essences, was effective on students' anxiety."