Comment on

• Human hippocampal neurogenesis drops sharply in children to undetectable levels in adults.

  Sorrells SF, Paredes MF, Cebrian-Silla A, Sandoval K, Qi D, Kelley KW, James D, Mayer S, Chang J, Auguste KI, Chang EF, Gutierrez AJ, Kriegstein AR, Mathern GW, Oldham MC, Huang EJ, Garcia-Verdugo JM, Yang Z, Alvarez-Buylla A. Sorrells SF, et al. Nature. 2018 Mar 15;555(7696):377-381. doi: 10.1038/nature25975. Epub 2018 Mar 7. Nature. 2018. PMID: 29513649 Free PMC article.
• Adult hippocampal neurogenesis is abundant in neurologically healthy subjects and drops sharply in patients with Alzheimer's disease.

  Moreno-Jiménez EP, Flor-García M, Terreros-Roncal J, Rábano A, Cafini F, Pallas-Bazarra N, Ávila J, Llorens-Martín M. Moreno-Jiménez EP, et al. Nat Med. 2019 Apr;25(4):554-560. doi: 10.1038/s41591-019-0375-9. Epub 2019 Mar 25. Nat Med. 2019. PMID: 30911133