Results of lab studies are promising — one at Johns Hopkins found that certain essential oils could kill a type of Lyme bacteria better than antibiotics — but results in human clinical trials are mixed. Some studies indicate that there's a benefit to using essential oils while others show no improvement in symptoms.

At an aromatherapy session, the practitioner will ask about your medical history and symptoms, as well any scents you may like. You may be directed to breathe in essential oils directly from a piece of cloth or indirectly through steam inhalations, vaporizers, or sprays.

Aromatherapy is the use of essential oils to improve your health or well-being. You may apply essential oils (properly diluted) to your skin through techniques like massage. Or, you may choose to inhale the aroma by creating a facial steam or using an essential oil diffuser.

aro·​ma·​ther·​a·​py ə-ˌrō-mə-ˈther-ə-pē : inhalation or bodily application (as by massage) of fragrant essential oils (as from flowers and fruits) for therapeutic purposes. broadly : the use of aroma to enhance a feeling of well-being.