With a previous career in nursing and family history of Alzheimer's disease, Irene Smith believed she had taken steps to look after her health. However, in 2012 she had an initial experience of cognitive decline and faced the reality that mainstream medicine could offer no help. A journey to fend off the symptoms began until they became worse in 2018 and she feared she would lose this battle. Fortunately, she found a way back. Irene shares...