A sample of 60 randomly selected patients with patients Parkinson's disease was included in this study. The study subjects were divided equally into two groups; study (30 patients) and a control group (30 patients) matched as much as possible. Exclusion criteria included patients diagnosed for Parkinson's by a specialist, no use of any complementary alternative medicine methods (herbal medicines and other methods) in the past one week, no use of anxiolytics or antidepressants drugs, no history of respiratory problems as asthma, eczema and allergies to flowers and plants and no smell disorders. Patients who were not willing to participate, not able to provide written consent or not able to communicate coherently and relevantly or showed symptoms of allergy to lavender were excluded from the study.
The present study aims to:~Investigate the effect of inhalation aromatherapy on anxiety and depressive symptoms of geriatric patients with Parkinson's disease.~Research Hypothesis:~Patients with Parkinson's disease who inhale aromatherapy will exhibit lower anxiety and depressive symptoms than those who didn't inhale it