We all want to live longer, but is a prolonged life a healthy, happy one? One Vogue writer looks at the science that says it might be possible.

We all want to live longer, but is a prolonged life a healthy, happy one? One Vogue writer looks at the science that says it might be possible.

Black Scarf,1996, by Alex Katz.Photo: © Christie's Images / Bridgeman ImagesDAVE ASPREY, founder of the supplement company Bulletproof and one of the many Silicon Valley tech titans obsessed with lengthening their life spans, famously declared he wants to live beyond 180 years. That sounds, frankly, exhausting. Yet who wouldn’t want to take a languorous sip from the gerontological cup, assuming reasonable health and fitness?

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Therein lies the catch: A long life is something that’s desired and dreaded in equal measure. My uncle was a rocket scientist at NASA’s Marshall Space Flight Center in Huntsville, Alabama. When I visited him in his final years, I did not recognize this once dynamic, brilliant man. He was confused, frail, vague. In 2014, Ezekiel Emanuel, a noted oncologist and chair of the Department of Medical Ethics and Health Policy at the University of Pennsylvania, wrote a blunt essay for

The Atlantictitled “Why I Hope to Die at 75.” He argued that the “manic desperation to endlessly extend” life siphons resources and “robs us of our creativity and ability to contribute to work, society, the world.” Emanuel stands by it. “You don’t want to wait until the end of your life and live it unconsciously,” he told me recently.

AdvertisementBut what if we could change not just the expiration date but the time leading up to it? Research shows that most people are ill with disease for five to eight years before they die. Must they be? A wave of scientists are saying no. They maintain that

agingis a disease—one that can be targeted, treated, and perhaps even reversed. Longevity—a quest as old as humanity itself—is the wellness world’s latest buzzword, appearing everywhere from specialty gyms such as Longevity Lab NYC to NutriDrip’s $600 “Nutriyouth” IV formula (which promises to “turn on ‘good genes’ ”) to the Victoria Beckham–sanctioned supplements Basis NAD+. Meanwhile, big-name investors (Jeff Bezos, Peter Thiel) are backing companies that are designing drugs to stave off the impairments associated with growing old: Thiel’s Breakout Labs is intent on the modest goal of “reprogramming nature.” The longevity sector, according to some industry analysis, is on track to be a multi-trillion-dollar industry.

Aging can be considered a disease—one that can be targeted, treated, and perhaps even reversedONE MORNING THIS PAST SUMMER, I met Nir Barzilai, M.D., founding director of the Institute for Aging Research at the Albert Einstein College of Medicine in New York, at the entrance of the three-mile pedestrian path of the Mario Cuomo Bridge, which stretches across the Hudson River. Affable and bespectacled, the 64-year-old author of the new book

Age Laterhas suggested we exercise during our chat—exercise being one of the magic bullets for a long and vibrant life, or “health span,” as he and other experts term it. (When it comes to health span, Barzilai says, genetics account for only some 20 percent. The rest is environment and lifestyle.) On this morning, he has not yet broken his 16-hour life-lengthening

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daily fast. Research has also shown that “stressors” such as intermittent fasting can prompt your body to activate the genes that help repair broken DNA and protect chromosomes.As we walk, he takes me through his other practices: Along with his fasts and exercise, Barzilai takes a daily dose of metformin. An inexpensive diabetes medication that’s been around since the 1950s, metformin is thought to mimic the calorie restriction of fasting by limiting the amount of sugar the body absorbs (side effects are generally mild, among them abdominal pain, nausea, and loss of appetite). A 2017 study of more than 41,000 male metformin users found that it reduced—by a significant amount—the likelihood of

dementia, cancer, and cardiovascular disease. A growing number of doctors are prescribing it off-­label, but Barzilai wants the medication to be FDA-sanctioned for every elder adult. He’s about to undertake a six-year national trial (called TAME, for “Targeting Aging With Metformin”), partially and anonymously funded by a noted tech billionaire.

AdvertisementIf fasting is not exactly your speed, diet is still tremendously important. As forwhatyou should eat, the gold standard remains the Mediterranean diet—one that is high in vegetables, fruits, whole grains, beans, nuts, seeds, and olive oil, and low on red meat—the only diet, says Barzilai, proven by clinical research to decrease cardiovascular mortality. A recent study in the medical journal

Gutfound that following it for just one year slowed the development of age-related inflammatory processes.David Sinclair, Ph.D., Harvard geneticist and author of the bestsellerLifespan: Why We Age—and Why We Don’t Have To,says the Mediterranean diet essentially “tricks the body into thinking we’ve been doing exercise and fasting.” Of course, this is not a permission slip for bottomless bowls of rigatoni; too much of a good thing is too much. Dan Buettner, the National Geographic Fellow who helped popularize the idea of the “blue zones”—the five areas worldwide with the longest-lived denizens—says he follows a rule practiced by the residents of Okinawa, Japan, and stops eating when his stomach is 80 percent full. And perhaps consider occasionally skipping dessert: Research shows that sugar intake accelerates age-related inflammation. “The more sugar you eat, the faster you age,” says Robert Lustig, professor of pediatric endocrinology at the University of California, San Francisco. (The American Heart Association recommends that women keep it under six teaspoons per day.)