Your blood, for “immortality.” | Image: Cath Virgina / The Verge, Getty Images This is Optimizer , a weekly newsletter sent from Verge senior reviewer Victoria Song that dissects and discusses the latest gizmos and potions that swear they're going to change your life.

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Opt in for Optimizer here . It's an overcast Saturday morning when I give my 12th vial of blood for testing in six weeks. It's my 24th this year. At this point, I feel like a pro. I schedule these blood draws first thing in the morning so I don't get hangry, download the requisition papers ahead of time, avoid strenuous exercise for the 24 hours prior, and make sure to drink a glass of water beforehand so my teeny veins are easier for the phlebotomist to f … Read the full story at The Verge.

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