Though many factors play a role in longevity, there is one habit that impacts lifespan more than one’s genetics. And it’s one that’s completely in your control.
Perhaps you have a family history of people dying at a relatively young age. Does this mean you are destined for the same fate? Fortunately, no. “While genetics certainly play a role in health, they are not the sole determinant of lifespan or quality of life,” says Dr. Partha Nandi, MD, FACP, a longevity, aging and gut health expert at Mayo Clinic Press.
Dr. Nandi says that research suggests that genes account for approximately 20 to 30% of longevity, while lifestyle and environmental factors make up the remaining 70 to 80%. “This means that healthy aging and quality of life are informed by how well and how proactively we take care of ourselves—even more than our genes alone,” he says.
Dr. Mert Erogul, MD, a longevity expert and bariatrician at Maimonides Medical Center, also says that many different factors impact longevity—not just genes. While he says that some diseases are purely genetic illnesses and no matter how healthy one lives will change the outcome, lifestyle factors have a profound impact on longevity.
Related: The 'Healthy' Habit That's Taking Years Off Your Life, According to Longevity Experts
What Habit Matters the Most?
“Dietary habits likely have the greatest impact on longevity. Numerous studies, including those on populations in ‘Blue Zones,’ regions with the highest concentrations of centenarians, highlight the importance of plant-based, nutrient-dense diets,” Dr. Nandi says.
What we eat impacts the gut—and the gut has a major impact on our overall health. “The gut microbiome—the trillions of microorganisms living in your digestive system—plays a critical role in immune function, metabolism, cognitive wellbeing and even mental health. A diet high in fiber, with nutrient-rich fruits, vegetables, whole grains, nuts and legumes nourishes the microbiome and promotes longevity,” he says.
Dr. Erogul explains that the reason why exercise so powerfully impacts how long we may live is because it impacts the body at a cellular level, such as reducing inflammation and helping with DNA repair, to name a couple of ways.
Dr. Erogul also says that habits become easier to keep up over time. Eventually, it will be your new normal! It’s worth it to ask for support from friends and family too. After all, what would be better than everyone you love growing old together?
Related: 'I'm a Longevity Expert, and This Is the One Vitamin I'm Begging Everyone Over 50 to Get More Of'
Sources
Dr. Partha Nandi, MD, FACP, longevity, aging and gut health expert at Mayo Clinic PressDr. Mert Erogul, MD, longevity expert and bariatrician at Maimonides Medical Center Read More Details
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