Yes, Touching Grass Is Real. You Can Hack Your Brain Just By Literally Looking At Trees

If the old nature vs. nurture debate always sounded abstract, the latest Raising Good Humans makes it refreshingly concrete. Think less theory, more trees, windows, and what your brain does when it meets a patch of green.

Host Dr. Aliza Pressman brings in environmental neuroscientist Dr. Marc Berman to unpack how everyday exposure to nature sharpens focus and steadies moods. The takeaway lands like a relief for busy households: Change a little of what’s around you, and you can change a lot about how everyone feels.

No lab coat required here. The tips remain practical—short walks, simple visuals, and minor design tweaks that fit seamlessly between work, school, and dinner.

Why nature vs. nurture needs the actual outdoors

Berman grounds the conversation in a simple premise: the “external physical environment can actually impact brain and behavior.” In other words, what kids (and caregivers) see and move through all day quietly shapes how well they pay attention, remember, and regulate their emotions.

The research backs this up. In controlled tests, participants took the same walk in two different settings and returned for cognitive checks. People improved “their memory and attention by about 20% after the walk in nature, but didn’t really show any significant improvement after the walk in the urban environment.”

That’s a sizeable, real-world difference you can plan for, especially on long days.

Short on time? Small doses still help

Of course, life doesn’t always allow a long, leafy stroll. Berman builds in a realistic Plan B: “We’ve even found that just looking at nature pictures for about 10 minutes can have some similar benefits.” Keep those ocean, forest, or lakeside images handy for the mid-afternoon slump—or put a slideshow on while everyone decompresses after school.

This isn’t a pass to replace time outside. It’s a weekday-friendly buffer that still makes a difference. When weekends open up, stack the real thing.

Timing matters for focus (for you and your kids)

Berman also flags when to reach for nature. That late-day fog—the one that turns minds to mush and tempers short—is a prime window. As he puts it, “That’s not a good time to scroll through social media,” because “those activities are actually fatiguing or depleting.” A short nature break does what doomscrolling can’t: it restores. Use that cue for yourself, and when the kids drift into inattention or irritability.

And when attention really needs a lift, Berman points to a striking finding: a “20-minute walk in nature” can be “almost like a dose of Ritalin” for kids with ADHD—an extra tool in the toolkit, not a substitute for medical care, and a great way to complement what’s already working.

Make your space do more of the work

You don’t need a backyard to make this stick. If outdoor access is limited—or the weather isn’t cooperating—Berman suggests going low-lift: “Bring plants into your home, even if they’re fake plants.” The brain responds to nature’s shapes and patterns, so a few well-placed leaves or prints can calm the room’s energy and your nervous system.

Pressed for time? Keep it simple. Swap a wall image for a landscape, position a plant near the sink or desk where eyes land between tasks, and let the environment “hold” a bit more of the household’s attention. On days you can get out, walk the safest local loop—no earbuds, phones away, eyes up.

Nature is not a grand gesture here; it’s a habit you fold into the margins. When all else fails, remember: build around the slumps, keep the tools within reach, and let the most minor patches of green do what they do best—quietly steady the room so everyone can think, feel, and show up a bit better.

Read Next

• Inside the Movement Fitness Class Where Crying Is the Point
• So, Is Everyone Changing Their Minds About GLP-1s Now?
• On ‘Well with Arielle Lorre’ a Celebrity Trainer Debunks 5 Diet Myths That Keep You Stuck