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. 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. ...read more read less