Abstract Human telomere length is tightly regulated and associated with diseases at either extreme. but how these bounds are established remains incompletely understood. Here. we developed a rapid cell-based telomere synthesis assay and found that nucleoside salvage bidirectionally constrains human telomere length. https://www.spidertattooz.com/Rumchata-Pumpkin-Spice-750ml-27-5-Proof/