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The Empowering Neurologist – David Perlmutter, MD, and Dr. Jason Fung

Post   •   January 1, 1970
Preventing and Reversing Type 2 Diabetes - Naturally Type 2 diabetes is rampant in the United States at this time, and the future projections don't seem to show that we should expect any improvement in th...

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Study   •   

The hippocampus is one of the most affected areas in Alzheimer’s disease (AD)1. Moreover, this structure hosts one of the most unique phenomena of the adult mammalian brain, namely, the addition of new neurons throughout life2. This process, called adult hippocampal neurogenesis (AHN), confers an unparalleled degree of plasticity to the entire hip- pocampal circuitry3,4. Nonetheless, direct evidence of AHN in humans has remained elusive. Thus, determining whether new neurons are continuously incorporated into the human dentate gyrus (DG) during physiological and pathologi- cal aging is a crucial question with outstanding therapeutic potential. By combining human brain samples obtained under tightly controlled conditions and state-of-the-art tissue pro- cessing methods, we identified thousands of immature neu- rons in the DG of neurologically healthy human subjects up to the ninth decade of life. These neurons exhibited variable degrees of maturation along differentiation stages of AHN. In sharp contrast, the number and maturation of these neurons progressively declined as AD advanced. These results dem- onstrate the persistence of AHN during both physiological and pathological aging in humans and provide evidence for impaired neurogenesis as a potentially relevant mechanism underlying memory deficits in AD that might be amenable to novel therapeutic strategies

Study   •   

The association between obesity and lower working memory is mediated by inflammation: Findings from a nationally representative dataset of U.S. adults

Study   •   November 26, 2019