By JOE DAVIES HEALTH REPORTER FOR MAILONLINE PUBLISHED: 05:45 EDT, 22 July 2022 | UPDATED: 06:20 EDT, 22 July 2022 The data behind the most influential theory of what causes Alzheimer’s disease may have been ‘manipulated’, a damning scientific probe has claimed. Experts fear the allegedly falsified results have misled research over the last 16 years, potentially wasting billions of pounds of...