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| Advances in research into Alzheimer's disease Posted: 09 Jul 2011 08:36 AM PDT Advancing age is a major risk factor for Alzheimer's disease and is associated with build- up of the peptide amyloid beta in the brain. New research shows that removal of amyloid beta from the brain depends on vitamin D and also on an age-related alteration in the production of transporter proteins which move amyloid beta in and out of the brain.  |
| Loss of motion after knee surgery may increase osteoarthritis risk, research suggests Posted: 09 Jul 2011 08:36 AM PDT The onset of osteoarthritis may be related to a loss of knee motion after reconstructive ACL surgery. Patients who showed motion limitations after surgery were more likely to develop arthritic changes in the knee.  |
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