Key points from article :
Josh Mitteldorf curbs his enthusiasm based on latest study.
Telomerase affects epigenetics in ways that accelerate aging.
Genome-wide association study of 9907 individuals.
People with longer telomeres tend to age faster, as measured by the Horvath clock.
No Horvath aging at all in the cell cultures that lacked telomerase.
The study was published in the Journal of the National Cancer Institute.
