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The first time I went hiking, I thought I was going to die.
OK, that’s an exaggeration. But before this outing near my home in upstate New York, I hadn’t given the particulars too much thought. To me, the word “hiking” inspired images of strolling along paved paths through the peaceful woods. Boy, was I wrong.
My heart felt like it was going to beat out of my chest while I dragged myself up the steep slope. I had to stop every few minutes to catch my breath. I even tripped a few times while trying to navigate around rocks and tree roots.
The ascent felt like an eternity, but I was eventually rewarded with a breathtaking view from the top of the mountain. My struggle had not been in vain.
Anyone who’s experienced the triumph of summiting a mountain knows that hiking is an incredible workout. And it’s particularly beneficial for the brain. Combine intense exercise with nature, and you have an activity that packs a one-two punch when it comes to supporting cognitive health.
My hiking abilities have now markedly improved. I even recently completed a 270-mile backpacking trip along the legendary Long Trail through Vermont’s Green Mountains.
And I have to admit, I do feel much sharper and more focused than I did before. While my experience is merely anecdotal evidence, there is plenty of research to support the brain benefits of hiking.
Around the time I got serious about hiking, I was becoming more interested in brain health, as one of my relatives began displaying symptoms of Alzheimer’s disease.
I was surprised to hear that research shows that regular exercise is the best way to prevent dementia. “Several studies show the acute effects of exercise in terms of attention and concentration,” explains Dr. Joyce Gomes-Osman, an assistant professor of physical therapy at the University of Miami Miller School of Medicine and rehabilitation neuroscientist who works with the MindCrowd project researching memory and the brain.
Gomes-Osman helped author a
The conclusion? Exercise clearly benefits the brain, even in adults who already experience mild cognitive impairment. “It’s direct evidence that exercise can turn back the clock in the brain,” she says.
It makes sense if you think about it.
Regular exercise supports the health of your blood vessels. Roughly
Working out also prevents the loss of total brain volume that happens with age. “After age 40, we lose 1 percent of our brain matter,” explains Dr. Sarah C. McEwen, a cognitive psychologist and senior research scientist at the Pacific Neuroscience Institute at Providence Saint John’s Health Center.
“Physical exercise can grow and promote gray matter retention and thickness in important regions of the brain, like the hippocampus and prefrontal cortex,” McEwen adds.
These positive changes are accompanied by an increase in brain-derived neurotrophic factor (BDNF), a protein essential for healthy cognitive function. “You could think of BDNF as the secret sauce or Miracle Grow for neurons in your brain. It basically helps them stay alive,” says McEwen. “Exercise seems to be the silver bullet to increase it.”
You could think of the hippocampus — an essential region for learning, memory, and navigation — as your internal GPS. While exercise alone is good for the hippocampus, working out in a cognitively demanding environment may be even better, according to a
“When you do exercise on an elliptical or treadmill, you’re not being challenged cognitively. You’re just using automatic movements you’d use every day,” explains McEwen.
But when you’re out in the forest or other wild terrain, she adds, “you have to use spatial navigation, your memory, and your attention” with nearly every step.
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Hiking is also an opportunity to hone new skills, which involves neuroplasticity, or the nervous system’s ability to accommodate new demands and information.
Neuroplasticity is a “vital superpower of our nervous system that distinguishes us from other animals,” says Gomes-Osman. “
Its effect is powerful when this new undertaking is outside of your comfort zone. A 2013 study found that older adults who learned a new, complex skill showed marked improvements in memory.
On a hike, you can further exercise your brain by learning to use a compass. Or, after you feel prepared fitness-wise, you could plan an overnight backpacking trip, which requires you to hone a whole slew of skills, like pitching a tent, filtering water, cooking on a camp stove, and mastering a bear bag hang, just to name a few.
While the very act of working out supports the brain, nature’s sights, sounds, and even smells also have a positive influence.
“In the study, they could see brain waves decrease in the prefrontal cortex when compared to urban settings,” explains Gomes-Osman. “When people were in nature, they tended towards neural signals associated with making fewer decisions and relaxing quite a bit.”
Any relief from stress, which affects both memory and mood, will likely have positive effects on the brain.
Hiking is more than just a stroll through the woods. Learn from my mistakes. With a little planning, it’s an activity that can bolster your mind, body, and spirit.
It’s the Scout’s motto for a reason.
For one, you have to dress the part. Wear layers suitable for the weather and made from breathable, moisture-wicking fabrics, like silk, wool, or synthetics (no cotton, please!), to stay warm and dry.
It’s also best practice to pack the so-called “10 essentials,” established by Seattle-based climbing organization The Mountaineers, for every hike.
This list of gear includes:
Together, these supplies may help keep you safe if you become stranded overnight in the wilderness.
Bring them along even if you think it seems like overkill. Believe me: You only need to be caught in a torrential thunderstorm while above tree line and in chilly conditions to realize that it’s better to be safe than sorry.
And, of course, don’t forget to bring a mask. If there’s no one around, you can take it off, but make sure to keep it handy in case you come across another hiker.
Alicia Filley, a hiking coach and physical therapist, recommends taking along extra snacks to help push you up and over the most challenging parts of the trail.
“I recommend micro-breaks and micro-snacks,” she says. “Micro-breaks are short stops of only 1 to 2 minutes to let your heart rate and respiratory rate return to baseline. Steep hikes burn many calories, so keep an easily digestible snack handy and eat a few bites after several micro-breaks.”
There once was a time when I was too proud for trekking poles. But on a group trek in Peru, the guide encouraged me to have an open mind and give them a try. I quickly discovered they improved my stability and increased my speed. Today, I never leave for a hike without them.
Filley also swears by this simple piece of equipment for reducing stress on knees: “Hiking poles are invaluable in helping with stability and balance on more technical terrain that includes rocks and roots.”
While training for my multi-week backpacking trip, I scoured many online forums for tips to improve my hiking prowess.
Again and again, I encountered various versions of this phrase: “The best training for hiking is to go for a hike.” While there’s something to be said for specificity, day hikes still weren’t getting me where I wanted to be.
It was strength training that finally took my skills to another level.
“Because we all lose muscle mass as we age, strength training is the No. 1 thing older hikers can do to improve their hiking ability,” Filley explains. “Resistance training builds strength, which also supports aching joints.”
Apparently, I had made a common mistake on my first hike by underestimating the physical feat that awaited me. “Many hikers get in over their heads and put themselves in dangerous situations,” Filley explains.
While there’s no easy formula for increasing the difficulty of your hikes, Filley suggests keeping a journal to rate the perceived difficulty. If that’s too complicated, then you might try adding no more than 1 mile at a time. Adding too much distance or elevation too quickly could increase the chance of injury.
Still, to gain the maximum brain benefits of hiking, don’t be afraid to (safely) challenge yourself to conquer taller and taller mountains. As McEwen says, when it comes to brain health, “The intensity of the activity really matters.”
The pandemic has canceled a lot of things, but hiking isn’t one of them. This is good news for your body and your brain — just make sure you’re properly prepared and equipped before you hit the trail.
Meredith Bethune is a writer and avid hiker based in upstate New York. Most weekends, you can find her exploring trails in the Catskills, Adirondacks, Green Mountains, or Berkshires. She covers health, food, travel, and the outdoors and is passionate about sharing the latest information about brain health.