Following review of records for eligibility and consent obtained during pre op visit subjects will be enrolled in study post op they will validate desire to participate and chose to inhale (2 drops of essential oil on cotton ball in a plastic bag) lavender for discomfort or anxiety or peppermint for GI distress~Visual analogue scales will be used to rate discomfort , anxiety and nausea
This study will use passive inhalation of lavender for discomfort, anxiety and peppermint for nausea following joint replacement and spine surgery