Alternative therapies Some alternative therapies might benefit people with dementia. They work by treating the conditions related to dementia, such as sleep problems or agitation. Research Aromatherapy, massage and dementia The use of lemon balm may improve cognition and mood in the treatment of Alzheimer's disease, and lavender oil may reduce occurrences of aggressive behaviour in dementia. Research Bright light therapy and dementia Current findings indicate that bright light therapy may benefit people with dementia, but further research is needed. Learn more about this alternative therapy. Research Cannabis, CBD oil and dementia Currently there is no evidence to show that cannabis or cannabis oil (CBD oil) can stop, reverse or prevent dementia. Research Coconut oil and dementia There is currently a lack of evidence to show that coconut oil plays any role in preventing or treating dementia or its symptoms. Research Transcutaneous electrical nerve stimulation It is thought that electrical stimulation of nerves via the skin may cause chemical changes in the brain. Learn more about this procedure as an alternative treatment for dementia.