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 and dementia Some studies have that found taking cannabis could help to manage some behavioural symptoms of dementia. However, there is currently no evidence that cannabis can help to prevent the disease. 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.