Most of my colleagues call these "longevity genes" because they have demonstrated the ability to extend both average and maximum lifespans in many or… - David A. Sinclair

I take 1 gram (1,000 mg) of NMN every morning, along with 1 gram of resveratrol (shaken into my homemade yogurt) and 1 gram of metformin.7 • I take a daily dose of vitamin D, vitamin K2, and 83 mg of aspirin. • I strive to keep my sugar, bread, and pasta intake as low as possible. I gave up desserts at age 40, though I do steal tastes. • I try to skip one meal a day or at least make it really small. My busy schedule almost always means that I miss lunch most days of the week. • Every few months, a phlebotomist comes to my home to draw my blood, which I have analyzed for dozens of biomarkers. When my levels of various markers are not optimal, I moderate them with food or exercise. • I try to take a lot of steps each day and walk upstairs, and I go to the gym most weekends with my son, Ben; we lift weights, jog a bit, and hang out in the sauna before dunking in an ice-cold pool. • I eat a lot of plants and try to avoid eating other mammals, even though they do taste good. If I work out, I will eat meat. • I don't smoke. I try to avoid microwaved plastic, excessive UV exposure, X-rays, and CT scans. • I try to stay on the cool side during the day and when I sleep at night. • I aim to keep my body weight or BMI in the optimal range for healthspan, which for me is 23 to 25.

Today, I can read an entire human genome of 25,000 genes in a few days for less than a hundred dollars on a candy bar–sized DNA sequencer called a MinION that I plug into my laptop. And that's for a fairly complete readout of a human genome, plus the DNA methyl marks that tell you your biological age.

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