Physical Activity and Hippocampal Sub-Region Structure in Older Adults with Memory Complaints. Siddarth P, Rahi B, Emerson ND, Burggren AC, Miller KJ, Bookheimer S, Lavretsky H, Dobkin B, Small G, Merrill DA J Alzheimers Dis. 2018; 61(3):1089-1096. PMID: 29254088. Abstract Comment Bookmark Recommend Follow Comment | Bookmark | Recommend | Follow