This Study Will Investigate the Effectiveness of Peppermint Oil Inhalation in Reducing the Intensity and Frequency of Acute Nausea and Vomiting Among Cancer Patients Undergoing Chemotherapy. Chemotherapy-induced Nausea and Vomiting (CINV) Are Among the Most Distressing Side Effects Experienced by pa

Participants in the experimental group will inhale five drops of 100% pure peppermint essential oil placed on a cotton ball inside a container for ten minutes before each chemotherapy session and every two hours during the chemotherapy infusion.

The control group will follow the same procedure using five drops of distilled water placed on a cotton ball inside a container for ten minutes before each chemotherapy session and every two hours during the infusion