Living naturally today means trading back a few things modern life took

Key takeaways

• In a study of 19,806 adults in England, people who spent at least 120 minutes a week in nature were more likely to report good health, and that is only about 1% of the minutes in a week¹.
• U.S. adults got 53% of their calories from ultra-processed foods in 2021–2023, and sandwiches and burgers were the biggest single source³.
• Adults’ daily sitting time rose from 5.5 to 6.4 hours between 2007–2008 and 2015–2016⁴.
• In a Northwestern University study, one night of sleep in a moderately lit room raised heart rate and made the body less responsive to insulin the next morning⁸.
• The best first trades are free or cheap: walk more, darken the bedroom, cook a few more meals from whole foods and get outside about two hours a week.

A week has 10,080 minutes. In a 2019 study of 19,806 adults in England, people who spent at least 120 of those minutes in natural places, such as parks, woodlands and beaches, were more likely to say their health was good¹.

That is about 1% of the week.

Most of the other 99% now happens under a roof. The Environmental Protection Agency has long estimated that Americans spend about 90% of their time indoors². We sit more, buy more of our food in packages and keep lights and screens on late into the night.

For most readers, living naturally in 2026 won’t mean a farm or a cabin. You have a job, a commute, maybe kids, and a phone that never sleeps. The useful question is narrower: which parts of an older, more natural way of life can you trade back, and which trades pay off most?

This guide ranks the options by evidence, cost and time. The top of the list costs little or nothing.

Modern life moved us inside, into chairs and into packages

Start with where we spend our hours. Beyond the 90% indoor estimate, EPA notes that some pollutants are often 2 to 5 times more concentrated indoors than outdoors².

Food changed too. The National Center for Health Statistics (NCHS) reported in 2025 that adults got 53.0% of their calories from ultra-processed foods, and children and teens got 61.9%³. To sort foods, NCHS used NOVA, a scale that runs from fresh, unprocessed food at one end to ultra-processed products at the other³. Those products are industrial formulas that often carry additives a home cook would never reach for, like dyes and emulsifiers³.

We also sit more. A JAMA study using national survey data found adults’ total sitting time rose from 5.5 hours a day in 2007–2008 to 6.4 hours in 2015–2016⁴. Over a similar span, the share of adults using a computer for an hour or more a day outside work jumped from 29.3% to 50.4%⁴.

Movement and sleep fill out the picture. In 2022, only 22.5% of adults age 25 and older met federal guidelines for both aerobic and muscle-strengthening activity⁵. And the Centers for Disease Control and Prevention (CDC) reports that in 2022, between 30% and 46% of adults, depending on the state, slept less than the 7 hours it recommends⁶.

None of this is a personal failure. It is the default setting of modern life. Defaults can be changed one at a time.

Rank the changes by payoff, not by purity

A lot of natural-living advice online ranks changes by how pure or ancestral they feel. A better ranking asks three questions.

How strong is the evidence? What does it cost? Will you keep doing it?

Here is how the main options sort out. Evidence levels use our four-level scale.

Rank	What to trade back	Evidence	Cost	Time it takes
1	Move more and sit less: 150 minutes of brisk activity a week, plus strength work twice a week	Strong evidence	Free	Any size pieces, even a few minutes at a time
2	Protect at least 7 hours of sleep	Strong evidence	Free	An earlier, steadier bedtime
3	Sleep in a darker room	Promising but early	Free to low	Minutes to set up
4	Cook more meals from whole and lightly processed foods	Promising but early	Often less per portion	A few more meals at home
5	Spend about 120 minutes a week in nature	Promising but early	Free to low	About two hours, split any way
6	Clean up indoor air at the source	Expert guidance from EPA	Free	Minutes

Notice what is missing from the top: expensive gear, special powders and products with “natural” on the label. The trades with the best evidence mostly give back time, darkness, movement and real food.

Move first, because the evidence is strongest

The federal Physical Activity Guidelines call for 150 to 300 minutes a week of moderate activity, like brisk walking, plus muscle-strengthening work at least two days a week⁷. Their first message for adults is simple: move more and sit less⁷.

Good news for busy people: the old rule that activity had to come in 10-minute blocks is gone⁷. Short bouts count. Some benefits start right away, including less anxiety, lower blood pressure, better sleep and better insulin sensitivity⁷. Over years, regular activity lowers the risk of eight types of cancer, dementia, stroke, type 2 diabetes and falls in older adults⁷.

There is a big gap by education. In 2022, 12.2% of adults with a high school education or less met both guidelines, compared with 33.6% of those with a bachelor’s degree or more⁵. The survey doesn’t say why, but jobs, schedules and safe places to walk likely play a part, not just willpower.

Ways to fit movement into a modern day:

• Walk for 10 minutes after one meal a day.
• Take phone calls on your feet or on the move.
• Stand up and move for a minute or two each hour you sit.
• Do squats, push-ups against a counter, or stair climbs twice a week for strength.

If you have heart disease, chest pain, dizziness or another serious condition, talk with your clinician before you ramp up hard exercise. Walking is a gentle place to start for most people.

Sleep in the dark, the way bodies did before lamps

The CDC recommends that adults get at least 7 hours of sleep⁶. The share of adults falling short stayed about the same from 2013 to 2022⁶. In 2022, 37% of men and 39% of adults ages 45 to 64 came up short⁶.

Darkness may matter as well as hours. In a 2022 Northwestern University study published in the journal PNAS, researchers had adults sleep one night in a moderately lit room (100 lux) or a dim room (3 lux)⁸. In the brighter room, heart rate rose during sleep, and the next morning the body was less responsive to insulin, a change linked to higher blood sugar over time⁸. The participants weren’t aware of these changes in their bodies⁸.

That study measured one night, not years, and it didn’t track disease. So the darker-bedroom idea is promising but early. Still, it is free to try, and the research team said up to 40% of people sleep with a bedside lamp, a bedroom light or a TV on⁸.

The researchers’ tips⁸:

• Turn lights off for sleep.
• If you need a night-light, keep it dim and low to the floor.
• Pick amber or red light over white or blue.
• Use blackout shades or an eye mask if street light comes in.

You don’t need a perfect diet to beat the average

The NCHS report shows where the processed calories come from. Sandwiches, burgers included, top the adult list at 8.6% of all calories. Next come sweet bakery products at 5.2% and sweetened drinks at 4.4%³. That gives you a short, practical target list.

There is good news in the data. The adult share fell from 56.0% in 2017–2018 to 53.0% in 2021–2023³. Even adults in the highest income group still got 50.4% of their calories from these foods³. Nearly everyone is starting from the same place.

How strong is the health case? A 2024 BMJ review pooled 45 analyses covering nearly 9.9 million people⁹. It rated the evidence as convincing for links between eating more ultra-processed food and dying of cardiovascular disease, developing type 2 diabetes, and having anxiety or other common mental health problems⁹.

But these were observational studies, which watch people rather than assigning diets. On a separate certainty scale, three of those four links rated low or very low; only the diabetes link rated moderate⁹.

A 2025 trial adds a useful twist. Researchers at University College London enrolled 55 adults to eat two diets, eight weeks each, and both diets were matched to the U.K.’s official healthy-eating guide¹⁰. One was built from minimally processed foods, and the other from ultra-processed foods¹⁰. People lost 2.06% of their body weight on the minimally processed diet and 1.05% on the ultra-processed one, and they reported better control over cravings on the minimally processed diet¹⁰.

It was a small, short study. But it suggests that how food is made may matter even when the nutrition label looks fine.

Federal advice now leans the same way. The 2025–2030 Dietary Guidelines, released in January 2026, say: “Avoid highly processed packaged, prepared, ready-to-eat, or other foods that are salty or sweet”¹¹. A proposed federal definition of ultra-processed food is under final review at the White House budget office; as of mid-September 2026, it had not been published¹².

Real food doesn’t have to cost more. A U.S. Department of Agriculture analysis found that healthy foods cost more per calorie but less per average portion and per 100 grams of edible food than less healthy foods¹³.

Start with the biggest sources:

• Make sandwiches at home with bread, fillings and spreads you pick.
• Swap one sweetened drink a day for water, plain sparkling water or unsweetened tea.
• Bake a simple sweet at home once a week instead of buying packaged ones.
• Cook a double batch of beans, grains or soup on the weekend for fast weeknight meals.

Get your two hours outside, any way they add up

The 120-minute finding came from an English national survey that asked people how much time they spent in natural places in the past week¹. Compared with people who spent no time in nature, those who spent 120 to 179 minutes had about 1.6 times the odds of reporting good health¹.

Three details make the finding practical. First, the gains stopped growing somewhere between 200 and 300 minutes, so a whole weekend outdoors isn’t required¹. Second, a single long hike and a handful of short walks counted the same¹. Third, older adults and people living with chronic health problems showed the same pattern as everyone else¹.

The study took a snapshot in time, so it can’t prove that nature caused better health. Healthier people may simply get outside more. The authors called for studies that follow people over time¹. That puts it at promising but early.

Two hours a week works out to about 17 minutes a day. A lunch walk under trees, a weekend trail or a bench in a park can get you there.

Indoors, EPA says the most effective step is usually to remove or reduce the source of pollution¹⁴. After that, bring in outdoor air: open windows when the weather allows and run kitchen and bathroom fans that vent outside, especially while you cook¹⁴. One surprise for plant lovers: EPA says there’s no evidence that a normal number of houseplants pulls meaningful pollution out of home air, and overwatered soil can grow microorganisms that bother people with allergies¹⁴. Keep plants for their beauty, and keep the windows working too.

When living naturally turns into a test you keep failing

Natural living is supposed to make life feel better. For some people, it slowly becomes a list of rules that only grows. One more ingredient to avoid, one more product to buy, one more thing to feel guilty about.

Researchers have a name for the extreme end of this pattern. A 2019 review in the journal Eating and Weight Disorders described orthorexia nervosa as disordered eating driven by the pursuit of “extreme dietary purity”¹⁵. It is not an official diagnosis, and experts still debate how to define it¹⁵. The criteria proposed so far include an obsessive focus on healthy eating, real distress when a self-made food rule is broken, and harm such as weight loss, poor nutrition or trouble in daily life¹⁵.

Most people who care about whole food never get near that line. But a few warning signs are worth knowing:

• Your list of “safe” foods keeps shrinking.
• You skip meals with friends or family because of what might be served.
• Breaking a food rule leaves you anxious or ashamed for hours.
• You are losing weight you didn’t intend to lose.

If those sound familiar, talk with a clinician, a registered dietitian or an eating-disorder specialist. Asking for help is part of caring for your body, not a betrayal of your values.

The deeper roots of natural health were never about perfection. They were about rhythm: daylight and darkness, work and rest, meals cooked and shared, time under the sky. Those are the things modern life took. They are also the things you can trade back.

How strong is the evidence?

Claim	Evidence level	What the research shows
Regular physical activity lowers the risk of chronic disease	Strong evidence	Federal guidelines link activity to lower risk of several cancers, dementia, stroke and diabetes7
Adults should get at least 7 hours of sleep	Strong evidence	The CDC’s recommendation for adults6
A darker bedroom protects heart and blood sugar health	Promising but early	One night of moderate light raised heart rate and insulin resistance in a lab study8
Eating less ultra-processed food lowers disease risk	Promising but early	Consistent links in nearly 9.9 million people, but observational; one small trial showed slower weight loss on ultra-processed versions910
Two hours a week in nature improves health	Promising but early	A large survey shows a link but can’t prove cause1
Houseplants clean indoor air	Not enough evidence	EPA says there’s no evidence they remove meaningful pollution from home air14
The stricter your food rules, the healthier you are	Evidence says no, or unsafe	Extreme purity-seeking can lead to distress, poor nutrition and weight loss15

Questions readers ask

The bottom line

Living naturally in a modern world isn’t about rejecting the century you live in. It is about noticing what that century took: daylight, dark nights, movement, home-cooked food and time outside. Then you take back the pieces with the best evidence first.

Start with movement and sleep, because the proof is strongest and the cost is zero. Darken the bedroom, cook a few more meals from whole foods and find your two hours outside. Keep it kind and flexible. A natural life you can sustain beats a perfect one you abandon.

Related reading

• A healthy month of groceries, priced by the government
• Walking clubs work, and you need fewer steps than you were told
• Sleep trackers count your hours well, but their sleep stages are rough guesses
• Why “natural” on a food label guarantees almost nothing
• Industrial life brought clean water and white bread, and history shows which to keep

Sources

1. White MP, Alcock I, Grellier J, et al. “Spending at Least 120 Minutes a Week in Nature Is Associated With Good Health and Wellbeing.” Scientific Reports, 2019. nature.com
2. U.S. Environmental Protection Agency. “Report on the Environment: Indoor Air Quality.” EPA, accessed 2026. epa.gov
3. Williams AM, Couch CA, Emmerich SD, Ogburn DF. “Ultra-processed Food Consumption in Youth and Adults: United States, August 2021–August 2023.” NCHS Data Brief No. 536, National Center for Health Statistics, 2025. cdc.gov
4. Yang L, Cao C, Kantor ED, et al. “Trends in Sedentary Behavior Among the US Population, 2001-2016.” JAMA, 2019. pubmed.ncbi.nlm.nih.gov
5. Haile G, Zablotsky B. “QuickStats: Percentage of Adults Aged ≥25 Years Who Met the 2018 Federal Physical Activity Guidelines for Both Muscle-Strengthening and Aerobic Physical Activity, by Educational Attainment — United States, 2022.” MMWR, CDC, 2024. cdc.gov
6. Centers for Disease Control and Prevention. “FastStats: Sleep in Adults.” CDC, 2024. cdc.gov
7. Office of Disease Prevention and Health Promotion, HHS. “Top 10 Things to Know About the Second Edition of the Physical Activity Guidelines for Americans.” HHS, accessed 2026. odphp.health.gov
8. Northwestern University. “Close the Blinds During Sleep to Protect Your Health” (on Mason IC, Grimaldi D, Reid KJ, et al., PNAS, 2022). Northwestern Now, 2022. news.northwestern.edu
9. Lane MM, Gamage E, Du S, et al. “Ultra-processed Food Exposure and Adverse Health Outcomes: Umbrella Review of Epidemiological Meta-analyses.” BMJ, 2024. pubmed.ncbi.nlm.nih.gov
10. University College London. “Less Processed Diet May Be More Beneficial for Weight Loss” (on Dicken SJ, et al., Nature Medicine, 2025). UCL News, 2025. ucl.ac.uk
11. U.S. Department of Health and Human Services and U.S. Department of Agriculture. “Dietary Guidelines for Americans, 2025–2030.” HHS and USDA, January 2026. cdn.realfood.gov
12. Food Engineering. “HHS, FDA Submit Proposed Definition of Ultra-Processed Foods for Final Review.” Food Engineering, October 2026. foodengineeringmag.com
13. Carlson A, Frazão E. “Are Healthy Foods Really More Expensive? It Depends on How You Measure the Price.” Economic Research Service, USDA, 2012. ers.usda.gov
14. U.S. Environmental Protection Agency. “Improving Indoor Air Quality.” EPA, accessed 2026. epa.gov
15. Cena H, Barthels F, Cuzzolaro M, et al. “Definition and Diagnostic Criteria for Orthorexia Nervosa: A Narrative Review of the Literature.” Eating and Weight Disorders, 2019. iris.unipv.it