Used the right way, they can help you feel better with few side effects. For example, you may feel less nauseated from chemotherapy cancer treatment if you breathe in ginger vapors. You may be able to fight certain bacterial or fungal infections, including the dangerous MRSA bacteria, with tea tree oil. In one study, tea tree oil was as effective as a prescription antifungal cream in easing symptoms of a fungal foot infection.
The intervention group inhaled lavender oil for 15 days and researchers found that they showed significantly significant differences in their sleep quality compared to the control group that received no form of therapy. Researchers pointed out that lavender oil is a non-invasive, inexpensive and easily applicable intervention for hospital patients who are having trouble sleeping and experiencing anxiety. (21)
The inhaled aroma from these "essential" oils is widely believed to stimulate brain function. Essential oils can also be absorbed through the skin, where they travel through the bloodstream and can promote whole-body healing. A form of alternative medicine, aromatherapy is gaining momentum. It is used for a variety of applications, including pain relief, mood enhancement and increased cognitive function.