Is a potential Alzheimer's therapy already in use for other conditions? Can medications for hypertension, diabetes and acne help with the symptoms?

There is an urgent need to develop and evaluate more effective pharmacological treatments for Alzheimer's disease (AD). This editorial explores the avenue of drug repositioning and outlines a number of existing treatments that show great promise as therapies, in addition to discussing the potential for high-throughput drug discovery techniques in this important field.