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Why Are My Breasts Uneven? It seemed too good to be true that a simple blood test could accurately predict lifespan, says Horvath. But other studies backed up his findings. He developed GrimAge for for research, although some version of it could become publicly available in the future.
The science of an epigenetic clock is now well-established. For example, they might not be equally accurate for all ethnic or racial groups. Still, they can give you some interesting information. If you smoke or if you are obese, your epigenetic markers are likely to be biologically older. If you are fit and have a healthy diet, you may detect the benefits. Just be aware that tests from different companies will measure different sets of patterns, and the results may not match.
But already, some life insurance companies have begun using the tests , along with the usual physical exams and family history, to predict your lifespan. For one thing, random events—a serious infection, a car accident—play a huge role in lifespan. For another, the test was designed to apply to a population, rather than an individual. Nonetheless, Horvath took his own test when he was 51, to see what it would tell him about how fast he is aging.
His biological age was His identical twin took the test, and interestingly, his result was exactly the same: Her test was designed to reflect the risk of major diseases as well as overall lifespan. I thought of my grandfather, a lawyer, who in his seventies was so clever at covering up his memory problems that only his secretary knew his mind was failing. Physicians are trained to look for disease, not how well your body is aging.
Recently, however, a new path has emerged, a field that looks at health through the prism of aging. Here, doctors use high-tech tools to measure the aging process at an organ level how well do the brain, heart, lungs, and immune system actually work?
Poor function in any one of these areas can illustrate the rate at which your body is growing old. To that end, we consulted with Raffaele and the foremost academic leaders in aging. How elastic are your arteries? How much air can you blow from your lungs? Are you carrying the immunity-draining cytomegalovirus? The point: Unlike chronological age, Physio Ages are malleable. After receiving my test results last December, I realized I no longer had a margin for lifestyle error. So I tightened up my exercise regimen and diet and made some of the specific tweaks.
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