But I’m sorry to report that Dylan Thomas imploring you to assail life with boldness is becoming harder for the average person to fulfill and embody. People more than ever before are heading into middle age with a head-start on the degenerative changes to body composition and function that used to only hit older folks. They may want to go boldly into that good night, but their bodies probably won’t be cooperating.
Ignore the standouts for a moment. I’m not talking about that awesome granny you saw deadlifting her bodyweight on Instagram or the centenarian sprinter smoking the competition. I’m not talking about the celebrities with personal trainers and access to the latest and greatest medical technologies. I’m referring to the general trend in the greater population. All signs point to average men and women alike having more fragile bones, weaker muscles, and worse postures at a younger age than their counterparts from previous eras.
What Signs Point This Way?
Low Bone Density
These days, more men than ever before are developing the signs of osteoporosis at an earlier age. In fact, one recent study found that among 35-50 year olds, men were more likely than women to have osteopenia—lower bone mineral density—at the neck.
Osteoporosis used to be a “woman’s disease,” lower estrogen after menopause being the primary cause. That’s rather understandable; estrogen is a powerful modulator of bone metabolism in women, and a natural decline in estrogen will lead to a natural decline in bone density. Men’s bone density has a similar relationship with testosterone; as a man’s testosterone declined, so does his bone density. As long as a man or woman entered the decline with high bone density, the decline wouldn’t be as destructive.
But here’s the thing: these days, both men and women are starting the decline with lower bone density. In women and men, peak bone mass attainment occurs during puberty. In girls, that’s about ages 11-13. In boys, it’s later. Puberty sets up our hormonal environment to accumulate healthy amounts of bone mineral density—but we have to take advantage of that window.
One of the main determinants of bone density accumulation is physical activity. If you’re an 11-year-old girl or a 16-year-old boy and you’re not engaging in regular physical activity—running, jumping, throwing, lifting, playing—you will fail to send the appropriate signals to your body to begin amassing bone mass. And once that developmental window closes, and you didn’t spend it engaging in lots of varied movement, it’s really hard to make up for all the bone mineral density you didn’t get.
But you can certainly improve bone mineral density at any age. Even the elderly can make big gains by lifting weights, walking frequently, or even doing something a simple as regular hopping exercises. The problem is that physical activity is down across all ages.
Children are spending more time indoors using devices than outdoors playing. They aren’t walking to school or roaming around outdoors with friends getting into trouble. If they’re active, they’re more likely to be shuttled from soccer practice to ballet to music lessons. Their movement is prescribed rather than freely chosen. Hour-long chunks of “training” rather than hours and hours of unstructured movement…
Not just kids, either. Sedentary living is up in everyone.
So there are two big issues:
Kids are squandering the developmental window where they should be making the biggest gains in bone density.
Adults are leading sedentary lives, squandering the lifelong window we all have to increase bone density.
Another reason men are having newfound problems with low bone mineral density is that a generational drop in testosterone has been observed. Twenty years go, men of all ages had higher testosterone levels than their counterparts today, meaning an average 50-year-old guy in 1999 had higher testosterone than an average 50-year-old guy in 2019. Testosterone will decline with age. That’s unavoidable. But something other than aging is also lowering testosterone—and bone density—across the board.
Experts are now recommending that young men use night lights, avoid throw rugs on the floor, and do pre-emptive physical therapy—all to reduce the risk of tripping, falling, and breaking something. That is absolutely tragic. This shouldn’t be happening.
The smartphone is a great tool with incredible potential to transform lives, economies, and personal capacities. But it can wreck your posture if you’re not careful and mindful.
Try this. Pick up your phone and compose a text message. Do it without thinking. Now hold that position and go look at yourself in a mirror. What do you see?
Head jutting forward, tilted down.
Upper back rounded, almost hunched.
Shoulders internally rotated.
Now spend 6-8 hours a day in this position. Add a few more if you work on a computer. Add another 15-20 minutes if you take your phone into the bathroom with you. Add an hour if you’re the type to walk around staring at your phone.
It all starts to sound a little ridiculous, doesn’t it?
Not only are people spending their days sitting and standing with their spine contorted, they’re staring down at their phones while walking. This is particularly pernicious. They’re training their body to operate in motion with a suboptimal, subhuman spinal position. They’re making it the new normal, forcing the body to adapt. And it is subhuman. Humans are bipeds, hominids that tower over the grasslands, able to scan for miles in every direction, perceive oncoming threats, plot their approach, stand upright and hold the tools at the ready. What would a Pleistocene hunter-gatherer of 20,000 years ago make of the average 25-year-old hunchback shuffling along, nose pointed toward the ground? What would your grandfather make of it?
Interest in effective fitness and healthy eating and CrossFit and paleo and keto and everything else we talk about is at an all-time high, and all your friends on Instagram seem to be drinking bone broth and doing squats, so you’d think that people are getting stronger and waking up from all the crazy conventional wisdom that society has foisted upon us over the years. They’re not, though. That’s the view from inside the Internet bubble. This explosion in ancestral health and fitness is a reaction to the physical ineptitude and torpor enveloping the modern world. A small but growing group of people are discovering the keys to true health and wellness because the world at large has become so backwards.
And no matter how many CrossFit gyms pop up or people you see walking around in yoga pants, the average adult today is weaker than the average adult from twenty years ago. That’s the real trend. It probably doesn’t apply to you, my regular reader, but it does apply to people you know, love, and work with. Here’s the reality:
New recruits in the military are weaker than recruits from previous eras. They’re even having trouble “throwing grenades.”
Everywhere you look—Lithuania, Portugal, Sweden, to name just a few—kids, teens, and adults of all ages are failing to hit the normative standards of strength and fitness established in older eras. People are getting weaker, softer, and less fit earlier than ever before.
Don’t let this happen to you. Don’t let it happen to the people you care about. You have the chance, the duty to your future self to go boldly into that good night, rather than wither and dwindle and fall apart. And it starts today, right now, right here. Do one thing today. What will it be?
How are you guys fighting the ravages of age and gravity? What are you going to do today to ensure you’ll go boldly into older age?
Mark Sisson is the founder of Mark’s Daily Apple, godfather to the Primal food and lifestyle movement, and the New York Times bestselling author of The Keto Reset Diet. His latest book is Keto for Life, where he discusses how he combines the keto diet with a Primal lifestyle for optimal health and longevity. Mark is the author of numerous other books as well, including The Primal Blueprint, which was credited with turbocharging the growth of the primal/paleo movement back in 2009. After spending three decades researching and educating folks on why food is the key component to achieving and maintaining optimal wellness, Mark launched Primal Kitchen, a real-food company that creates Primal/paleo, keto, and Whole30-friendly kitchen staples.