A study led by Karolinska Institutet in Sweden reports for the first time the positive effects of an active vaccine against Alzheimer's disease. The new vaccine, CAD106, can prove a breakthrough in the search for a cure for this seriously debilitating dementia disease. The study is published in the scientific journal Lancet Neurology. Alzheimer's disease is a complex neurological dementia disease that is the cause of much human suffering and a great cost to society. According to the World Health Organisation, dementia is the fastest growing global health epidemic of our age. The prevailing hypothesis about its cause involves APP...