A common joint supplement may be doing more than easing aches—it could be linked to faster Alzheimer’s progression. Credit: Shutterstock A widely used supplement marketed for joint pain relief may be linked to faster progression of Alzheimer's disease, according to new research from the University of Florida. The study found that people with mild cognitive impairment who reported taking glucosamine were more likely to progress to dementia than those who did not use the supplement. Researchers