Sir David Attenborough turned 100 on May 8, and his answer to how he got there is disarmingly simple: sit in nature for 10 minutes a day and do nothing but watch.
For someone who has spent nearly a century traveling to every ecosystem on earth, narrating the living world to billions, and conducting active fieldwork across the planet's most remote corners, the habit seems almost too modest to mention. Yet when Attenborough describes his daily practice in conversation with podcast host Cel Spellman on Call of the Wild, there's no embellishment. Find somewhere in nature, sit down, stay still and quiet, and wait—not for anything in particular, just wait without impatience for 10 minutes. In woodland settings especially, he says, something fascinating almost always reveals itself when you stop pushing the experience to happen. In a statement to Butterfly Conservation, he framed it plainly: "Spending time with nature offers us all precious breathing space away from the stresses and strains of modern life. It enables us to experience joy and wonder, to slow down, and to appreciate the wildlife that lives side by side with us."
The science backing this quiet habit is striking. Harvard Medical School estimates that roughly 25 percent of human lifespan variation comes down to genetics, leaving 75 percent shaped by lifestyle and environment—a wide window for intervention. One of the most consistent findings in longevity research is the link between happiness and life expectancy; people reporting higher wellbeing tend to live longer across cultures and study designs. Research on awe—that feeling of encountering something vast or wondrous—has found associations with lower inflammatory markers and improved mood. Time spent in natural settings reduces cortisol, lowers blood pressure, and restores attention. Whether any of this fully explains a century of robust health is impossible to prove, but the accumulating evidence doesn't contradict it.
What makes Attenborough's recommendation notable is what it deliberately isn't. The longevity industry has grown into something immense: cold plunges, supplement stacks, stem cell therapies, continuous glucose monitors. Some rest on emerging science; almost none involve sitting under a tree. Attenborough's 10-minute practice isn't a health protocol optimizing for any metric. It's a way of paying attention long enough that something worth noticing has time to arrive. In 2021, he narrated a 10-minute virtual reality meditation for BBC Sounds, guiding listeners through an exercise built around close attention to the living world—same basic instruction in a different format, with the core lesson unchanged: stop, pay attention, and let something come to you.
The habit is unusual precisely because the person recommending it is unusual. Decades in the planet's most remote ecosystems alongside the finest wildlife photographers and field scientists of his generation could justify almost any complex regimen. Instead, Attenborough points to something available in any park or patch of trees. The only thing left to do is try it and draw your own conclusions.